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annotate org.eclipse.draw2d/src/org/eclipse/draw2d/ScrollBar.d @ 104:88652073d1c2
More work on icu
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 02 May 2009 11:27:24 +0200 |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2005 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 * Port to the D programming language: |
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11 * Frank Benoit <benoit@tionex.de> |
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12 *******************************************************************************/ |
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13 module org.eclipse.draw2d.ScrollBar; |
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14 |
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15 import java.lang.all; |
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16 |
16
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17 import java.beans.PropertyChangeListener; |
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18 import java.beans.PropertyChangeEvent; |
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19 |
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20 import org.eclipse.swt.graphics.Color; |
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21 import org.eclipse.draw2d.geometry.Dimension; |
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22 import org.eclipse.draw2d.geometry.Point; |
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23 import org.eclipse.draw2d.geometry.Rectangle; |
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24 import org.eclipse.draw2d.geometry.Transposer; |
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25 |
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26 import org.eclipse.draw2d.Orientable; |
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27 import org.eclipse.draw2d.Figure; |
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28 import org.eclipse.draw2d.IFigure; |
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29 import org.eclipse.draw2d.RangeModel; |
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30 import org.eclipse.draw2d.Clickable; |
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31 import org.eclipse.draw2d.MouseMotionListener; |
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32 import org.eclipse.draw2d.MouseListener; |
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33 import org.eclipse.draw2d.MouseEvent; |
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34 import org.eclipse.draw2d.FigureUtilities; |
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35 import org.eclipse.draw2d.ColorConstants; |
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36 import org.eclipse.draw2d.Button; |
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37 import org.eclipse.draw2d.RangeModel; |
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38 import org.eclipse.draw2d.DefaultRangeModel; |
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39 import org.eclipse.draw2d.ArrowButton; |
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40 import org.eclipse.draw2d.ButtonBorder; |
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41 import org.eclipse.draw2d.ChangeListener; |
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42 import org.eclipse.draw2d.ChangeEvent; |
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43 import org.eclipse.draw2d.Panel; |
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44 import org.eclipse.draw2d.ScrollBarLayout; |
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45 import org.eclipse.draw2d.SchemeBorder; |
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46 import org.eclipse.draw2d.ActionListener; |
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47 import org.eclipse.draw2d.ActionEvent; |
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48 |
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49 /** |
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50 * Provides for the scrollbars used by the {@link ScrollPane}. A ScrollBar is made up of |
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51 * five essential Figures: An 'Up' arrow button, a 'Down' arrow button, a draggable |
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52 * 'Thumb', a 'Pageup' button, and a 'Pagedown' button. |
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53 */ |
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54 public class ScrollBar |
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55 : Figure |
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56 , Orientable, PropertyChangeListener |
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57 { |
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58 |
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59 private static const int ORIENTATION_FLAG = Figure.MAX_FLAG << 1; |
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60 /** @see Figure#MAX_FLAG */ |
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61 protected static const int MAX_FLAG = ORIENTATION_FLAG; |
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62 |
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63 private static Color COLOR_TRACK_; |
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64 private static Color COLOR_TRACK(){ |
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65 if( COLOR_TRACK_ is null ){ |
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66 synchronized( ScrollBar.classinfo ){ |
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67 if( COLOR_TRACK_ is null ){ |
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68 COLOR_TRACK_ = FigureUtilities.mixColors( |
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69 ColorConstants.white, |
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70 ColorConstants.button); |
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71 } |
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72 } |
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73 } |
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74 return COLOR_TRACK_; |
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75 } |
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76 |
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77 private RangeModel rangeModel = null; |
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78 private IFigure thumb; |
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79 private Clickable pageUp_, pageDown_; |
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80 private Clickable buttonUp, buttonDown; |
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81 /** |
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82 * Listens to mouse events on the scrollbar to take care of scrolling. |
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83 */ |
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84 protected ThumbDragger thumbDragger; |
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85 |
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86 private bool isHorizontal_ = false; |
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87 |
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88 private int pageIncrement = 50; |
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89 private int stepIncrement = 10; |
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90 |
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91 /** |
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92 * Transposes from vertical to horizontal if needed. |
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93 */ |
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94 protected /+final+/ Transposer transposer; |
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95 |
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96 private void instanceInit(){ |
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97 thumbDragger = new ThumbDragger(); |
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98 transposer = new Transposer(); |
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99 setRangeModel(new DefaultRangeModel()); |
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100 } |
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101 |
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102 /** |
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103 * Constructs a ScrollBar. ScrollBar orientation is vertical by default. Call |
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104 * {@link #setHorizontal(bool)} with <code>true</code> to set horizontal orientation. |
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105 * |
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106 * @since 2.0 |
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107 */ |
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108 public this() { |
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109 instanceInit(); |
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110 initialize(); |
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111 } |
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112 |
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113 /** |
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114 * Creates the default 'Up' ArrowButton for the ScrollBar. |
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115 * |
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116 * @return the up button |
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117 * @since 2.0 |
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118 */ |
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119 protected Clickable createDefaultUpButton() { |
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120 Button buttonUp = new ArrowButton(); |
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121 buttonUp.setBorder(new ButtonBorder(ButtonBorder.SCHEMES.BUTTON_SCROLLBAR)); |
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122 return buttonUp; |
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123 } |
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124 |
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125 /** |
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126 * Creates the default 'Down' ArrowButton for the ScrollBar. |
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127 * |
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128 * @return the down button |
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129 * @since 2.0 |
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130 */ |
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131 protected Clickable createDefaultDownButton() { |
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132 Button buttonDown = new ArrowButton(); |
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133 buttonDown.setBorder(new ButtonBorder(ButtonBorder.SCHEMES.BUTTON_SCROLLBAR)); |
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134 return buttonDown; |
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135 } |
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136 |
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137 /** |
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138 * Creates the pagedown Figure for the Scrollbar. |
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139 * |
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140 * @return the page down figure |
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141 * @since 2.0 |
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142 */ |
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143 protected Clickable createPageDown() { |
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144 return createPageUp(); |
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145 } |
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146 |
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147 /** |
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148 * Creates the pageup Figure for the Scrollbar. |
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149 * |
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150 * @return the page up figure |
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151 * @since 2.0 |
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152 */ |
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153 protected Clickable createPageUp() { |
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154 Clickable clickable = new Clickable(); |
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155 clickable.setOpaque(true); |
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156 clickable.setBackgroundColor(COLOR_TRACK); |
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157 clickable.setRequestFocusEnabled(false); |
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158 clickable.setFocusTraversable(false); |
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159 clickable.addChangeListener( dgChangeListener( (ChangeEvent evt, Clickable clickable_){ |
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160 if (clickable_.getModel().isArmed()) |
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161 clickable_.setBackgroundColor(ColorConstants.black); |
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162 else |
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163 clickable_.setBackgroundColor(COLOR_TRACK); |
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164 }, clickable)); |
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165 return clickable; |
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166 } |
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167 |
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168 /** |
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169 * Creates the Scrollbar's "thumb", the draggable Figure that indicates the Scrollbar's |
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170 * position. |
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171 * |
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172 * @return the thumb figure |
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173 * @since 2.0 |
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174 */ |
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175 protected IFigure createDefaultThumb() { |
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176 Panel thumb = new Panel(); |
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177 thumb.setMinimumSize(new Dimension(6, 6)); |
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178 thumb.setBackgroundColor(ColorConstants.button); |
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179 |
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180 thumb.setBorder(new SchemeBorder(SchemeBorder.SCHEMES.BUTTON_CONTRAST)); |
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181 return thumb; |
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182 } |
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183 |
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184 /** |
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185 * Returns the figure used as the up button. |
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186 * @return the up button |
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187 */ |
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188 protected IFigure getButtonUp() { |
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189 // TODO: The set method takes a Clickable while the get method returns an IFigure. |
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190 // Change the get method to return Clickable (since that's what it's typed as). |
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191 return buttonUp; |
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192 } |
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193 |
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194 /** |
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195 * Returns the figure used as the down button. |
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196 * @return the down button |
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197 */ |
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198 protected IFigure getButtonDown() { |
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199 // TODO: The set method takes a Clickable while the get method returns an IFigure. |
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200 // Change the get method to return Clickable (since that's what it's typed as). |
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201 return buttonDown; |
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202 } |
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203 |
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204 /** |
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205 * Returns the extent. |
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206 * @return the extent |
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207 * @see RangeModel#getExtent() |
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208 */ |
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209 public int getExtent() { |
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210 return getRangeModel().getExtent(); |
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211 } |
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212 |
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213 /** |
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214 * Returns the minumum value. |
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215 * @return the minimum |
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216 * @see RangeModel#getMinimum() |
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217 */ |
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218 public int getMinimum() { |
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219 return getRangeModel().getMinimum(); |
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220 } |
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221 |
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222 /** |
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223 * Returns the maximum value. |
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224 * @return the maximum |
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225 * @see RangeModel#getMaximum() |
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226 */ |
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227 public int getMaximum() { |
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228 return getRangeModel().getMaximum(); |
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229 } |
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230 |
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231 /** |
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232 * Returns the figure used for page down. |
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233 * @return the page down figure |
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234 */ |
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235 protected IFigure getPageDown() { |
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236 // TODO: The set method takes a Clickable while the get method returns an IFigure. |
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237 // Change the get method to return Clickable (since that's what it's typed as). |
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238 return pageDown_; |
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239 } |
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240 |
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241 /** |
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242 * Returns the the amound the scrollbar will move when the page up or page down areas are |
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243 * pressed. |
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244 * @return the page increment |
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245 */ |
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246 public int getPageIncrement() { |
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247 return pageIncrement; |
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248 } |
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249 |
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250 /** |
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251 * Returns the figure used for page up. |
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252 * @return the page up figure |
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253 */ |
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254 protected IFigure getPageUp() { |
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255 // TODO: The set method takes a Clickable while the get method returns an IFigure. |
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256 // Change the get method to return Clickable (since that's what it's typed as). |
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257 return pageUp_; |
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258 } |
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259 |
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260 /** |
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261 * Returns the range model for this scrollbar. |
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262 * @return the range model |
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263 */ |
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264 public RangeModel getRangeModel() { |
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265 return rangeModel; |
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266 } |
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267 |
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268 /** |
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269 * Returns the amount the scrollbar will move when the up or down arrow buttons are |
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270 * pressed. |
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271 * @return the step increment |
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272 */ |
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273 public int getStepIncrement() { |
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274 return stepIncrement; |
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275 } |
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276 |
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277 /** |
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278 * Returns the figure used as the scrollbar's thumb. |
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279 * @return the thumb figure |
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280 */ |
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281 protected IFigure getThumb() { |
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282 return thumb; |
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283 } |
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284 |
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285 /** |
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286 * Returns the current scroll position of the scrollbar. |
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287 * @return the current value |
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288 * @see RangeModel#getValue() |
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289 */ |
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290 public int getValue() { |
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291 return getRangeModel().getValue(); |
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292 } |
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293 |
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294 /** |
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295 * Returns the size of the range of allowable values. |
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296 * @return the value range |
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297 */ |
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298 protected int getValueRange() { |
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299 return getMaximum() - getExtent() - getMinimum(); |
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300 } |
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301 |
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302 /** |
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303 * Initilization of the ScrollBar. Sets the Scrollbar to have a ScrollBarLayout with |
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304 * vertical orientation. Creates the Figures that make up the components of the ScrollBar. |
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305 * |
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306 * @since 2.0 |
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307 */ |
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308 protected void initialize() { |
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309 setLayoutManager(new ScrollBarLayout(transposer)); |
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310 setUpClickable(createDefaultUpButton()); |
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311 setDownClickable(createDefaultDownButton()); |
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312 setPageUp(createPageUp()); |
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313 setPageDown(createPageDown()); |
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314 setThumb(createDefaultThumb()); |
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315 } |
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316 |
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317 /** |
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318 * Returns <code>true</code> if this scrollbar is orientated horizontally, |
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319 * <code>false</code> otherwise. |
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320 * @return whether this scrollbar is horizontal |
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321 */ |
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322 public bool isHorizontal() { |
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323 return isHorizontal_; |
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324 } |
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325 |
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326 private void pageDown() { |
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327 setValue(getValue() + getPageIncrement()); |
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328 } |
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329 |
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330 private void pageUp() { |
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331 setValue(getValue() - getPageIncrement()); |
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332 } |
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333 |
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334 /** |
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335 * @see PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent) |
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336 */ |
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337 public void propertyChange(PropertyChangeEvent event) { |
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338 if (null !is cast(RangeModel)event.getSource() ) { |
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339 setEnabled(getRangeModel().isEnabled()); |
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340 if (RangeModel.PROPERTY_VALUE.equals(event.getPropertyName())) { |
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341 firePropertyChange("value", event.getOldValue(), //$NON-NLS-1$ |
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342 event.getNewValue()); |
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343 revalidate(); |
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344 } |
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345 if (RangeModel.PROPERTY_MINIMUM.equals(event.getPropertyName())) { |
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346 firePropertyChange("value", event.getOldValue(), //$NON-NLS-1$ |
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347 event.getNewValue()); |
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348 revalidate(); |
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349 } |
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350 if (RangeModel.PROPERTY_MAXIMUM.equals(event.getPropertyName())) { |
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351 firePropertyChange("value", event.getOldValue(), //$NON-NLS-1$ |
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352 event.getNewValue()); |
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353 revalidate(); |
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354 } |
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355 if (RangeModel.PROPERTY_EXTENT.equals(event.getPropertyName())) { |
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356 firePropertyChange("value", event.getOldValue(), //$NON-NLS-1$ |
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357 event.getNewValue()); |
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358 revalidate(); |
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359 } |
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360 } |
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361 } |
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362 |
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363 /** |
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364 * @see IFigure#revalidate() |
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365 */ |
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366 public void revalidate() { |
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367 // Override default revalidate to prevent going up the parent chain. Reason for this |
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368 // is that preferred size never changes unless orientation changes. |
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369 invalidate(); |
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370 getUpdateManager().addInvalidFigure(this); |
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371 } |
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372 |
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373 /** |
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374 * Does nothing because this doesn't make sense for a scrollbar. |
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375 * @see Orientable#setDirection(int) |
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376 */ |
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377 public void setDirection(int direction) { |
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378 //Doesn't make sense for Scrollbar. |
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379 } |
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380 |
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381 /** |
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382 * Sets the Clickable that represents the down arrow of the Scrollbar to <i>down</i>. |
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383 * |
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384 * @param down the down button |
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385 * @since 2.0 |
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386 */ |
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387 public void setDownClickable(Clickable down) { |
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388 if (buttonDown !is null) { |
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389 remove(buttonDown); |
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390 } |
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391 buttonDown = down; |
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392 if (buttonDown !is null) { |
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393 if (auto b = cast(Orientable)buttonDown ) |
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394 b.setDirection(isHorizontal() |
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395 ? Orientable.EAST |
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396 : Orientable.SOUTH); |
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397 buttonDown.setFiringMethod(Clickable.REPEAT_FIRING); |
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398 buttonDown.addActionListener(dgActionListener( (ActionEvent evt){ |
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399 stepDown(); |
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400 })); |
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401 add(buttonDown, stringcast(ScrollBarLayout.DOWN_ARROW)); |
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402 } |
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403 } |
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404 |
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405 /** |
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406 * Sets the Clickable that represents the up arrow of the Scrollbar to <i>up</i>. |
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407 * |
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408 * @param up the up button |
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409 * @since 2.0 |
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410 */ |
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411 public void setUpClickable(Clickable up) { |
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412 if (buttonUp !is null) { |
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413 remove(buttonUp); |
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414 } |
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415 buttonUp = up; |
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416 if (up !is null) { |
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417 if (auto o = cast(Orientable)up ) |
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418 o.setDirection(isHorizontal() |
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419 ? Orientable.WEST |
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420 : Orientable.NORTH); |
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421 buttonUp.setFiringMethod(Clickable.REPEAT_FIRING); |
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422 buttonUp.addActionListener(dgActionListener( (ActionEvent evt){ |
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423 stepUp(); |
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424 })); |
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425 add(buttonUp, stringcast(ScrollBarLayout.UP_ARROW)); |
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426 } |
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427 } |
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428 |
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429 /** |
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430 * @see IFigure#setEnabled(bool) |
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431 */ |
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432 public void setEnabled(bool value) { |
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433 if (isEnabled() is value) |
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434 return; |
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435 super.setEnabled(value); |
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436 setChildrenEnabled(value); |
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437 if (getThumb() !is null) { |
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438 getThumb().setVisible(value); |
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439 revalidate(); |
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440 } |
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441 } |
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442 |
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443 /** |
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444 * Sets the extent of the Scrollbar to <i>ext</i> |
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445 * |
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446 * @param ext the extent |
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447 * @since 2.0 |
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448 */ |
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449 public void setExtent(int ext) { |
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450 if (getExtent() is ext) |
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451 return; |
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452 getRangeModel().setExtent(ext); |
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453 } |
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454 |
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455 /** |
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456 * Sets the orientation of the ScrollBar. If <code>true</code>, the Scrollbar will have |
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457 * a horizontal orientation. If <code>false</code>, the scrollBar will have a vertical |
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458 * orientation. |
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459 * |
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460 * @param value <code>true</code> if the scrollbar should be horizontal |
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461 * @since 2.0 |
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462 */ |
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463 public final void setHorizontal(bool value) { |
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464 setOrientation(value ? HORIZONTAL : VERTICAL); |
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465 } |
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466 |
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467 /** |
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468 * Sets the maximum position to <i>max</i>. |
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469 * |
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470 * @param max the maximum position |
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471 * @since 2.0 |
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472 */ |
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473 public void setMaximum(int max) { |
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474 if (getMaximum() is max) |
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475 return; |
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476 getRangeModel().setMaximum(max); |
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|
477 } |
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|
478 |
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479 /** |
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480 * Sets the minimum position to <i>min</i>. |
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481 * |
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482 * @param min the minumum position |
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483 * @since 2.0 |
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484 */ |
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485 public void setMinimum(int min) { |
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486 if (getMinimum() is min) |
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487 return; |
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488 getRangeModel().setMinimum(min); |
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|
489 } |
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|
490 |
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|
491 /** |
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492 * @see Orientable#setOrientation(int) |
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493 */ |
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494 public void setOrientation(int value) { |
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495 if ((value is HORIZONTAL) is isHorizontal()) |
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parents:
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496 return; |
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497 isHorizontal_ = value is HORIZONTAL; |
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498 transposer.setEnabled(isHorizontal_); |
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|
499 |
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|
500 setChildrenOrientation(value); |
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501 super.revalidate(); |
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|
502 } |
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Added dwt-addons in original directory structure of eclipse.org
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|
503 |
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parents:
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|
504 /** |
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|
505 * Sets the ScrollBar to scroll <i>increment</i> pixels when its pageup or pagedown |
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506 * buttons are pressed. (Note that the pageup and pagedown buttons are <b>NOT</b> the |
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507 * arrow buttons, they are the figures between the arrow buttons and the ScrollBar's |
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parents:
diff
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|
508 * thumb figure). |
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|
509 * |
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|
510 * @param increment the new page increment |
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parents:
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|
511 * @since 2.0 |
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parents:
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|
512 */ |
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|
513 public void setPageIncrement(int increment) { |
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|
514 pageIncrement = increment; |
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|
515 } |
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parents:
diff
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|
516 |
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parents:
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|
517 /** |
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518 * Sets the pagedown button to the passed Clickable. The pagedown button is the figure |
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parents:
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519 * between the down arrow button and the ScrollBar's thumb figure. |
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Added dwt-addons in original directory structure of eclipse.org
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520 * |
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parents:
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|
521 * @param down the page down figure |
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parents:
diff
changeset
|
522 * @since 2.0 |
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Frank Benoit <benoit@tionex.de>
parents:
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|
523 */ |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
524 public void setPageDown(Clickable down) { |
bc29606a740c
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parents:
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changeset
|
525 if (pageDown_ !is null) |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
526 remove(pageDown_); |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
527 pageDown_ = down; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
528 if (pageDown_ !is null) { |
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parents:
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|
529 pageDown_.setFiringMethod(Clickable.REPEAT_FIRING); |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
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changeset
|
530 pageDown_.addActionListener(dgActionListener( (ActionEvent evt){ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
changeset
|
531 pageDown(); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
532 })); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
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|
533 add(down,stringcast( ScrollBarLayout.PAGE_DOWN)); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
534 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
535 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
536 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
537 /** |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
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|
538 * Sets the pageup button to the passed Clickable. The pageup button is the rectangular |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
539 * figure between the down arrow button and the ScrollBar's thumb figure. |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
540 * |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
541 * @param up the page up figure |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
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|
542 * @since 2.0 |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
543 */ |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
544 public void setPageUp(Clickable up) { |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
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545 if (pageUp_ !is null) |
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Frank Benoit <benoit@tionex.de>
parents:
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|
546 remove(pageUp_); |
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parents:
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changeset
|
547 pageUp_ = up; |
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Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
changeset
|
548 if (pageUp_ !is null) { |
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parents:
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|
549 pageUp_.setFiringMethod(Clickable.REPEAT_FIRING); |
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Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
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550 pageUp_.addActionListener(dgActionListener((ActionEvent evt){ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
551 pageUp(); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
552 })); |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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553 add(pageUp_, stringcast(ScrollBarLayout.PAGE_UP)); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
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|
554 } |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
555 } |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
556 |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
557 /** |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
558 * Sets the ScrollBar's RangeModel to the passed value. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
559 * |
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Frank Benoit <benoit@tionex.de>
parents:
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|
560 * @param rangeModel the new range model |
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Frank Benoit <benoit@tionex.de>
parents:
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changeset
|
561 * @since 2.0 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
562 */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
563 public void setRangeModel(RangeModel rangeModel) { |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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|
564 if (this.rangeModel !is null) |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
565 this.rangeModel.removePropertyChangeListener(this); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
566 this.rangeModel = rangeModel; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
567 rangeModel.addPropertyChangeListener(this); |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
568 } |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
569 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
570 /** |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
571 * Sets the ScrollBar's step increment to the passed value. The step increment indicates |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
572 * how many pixels the ScrollBar will scroll when its up or down arrow button is pressed. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
573 * |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
574 * @param increment the new step increment |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
575 * @since 2.0 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
576 */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
577 public void setStepIncrement(int increment) { |
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parents:
diff
changeset
|
578 stepIncrement = increment; |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
579 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
580 |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
581 /** |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
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changeset
|
582 * Sets the ScrollBar's thumb to the passed Figure. The thumb is the draggable component |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
583 * of the ScrollBar that indicates the ScrollBar's position. |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
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|
584 * |
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Frank Benoit <benoit@tionex.de>
parents:
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changeset
|
585 * @param figure the thumb figure |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
586 * @since 2.0 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
587 */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
588 public void setThumb(IFigure figure) { |
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Frank Benoit <benoit@tionex.de>
parents:
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changeset
|
589 if (thumb !is null) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
590 thumb.removeMouseListener(thumbDragger); |
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parents:
diff
changeset
|
591 thumb.removeMouseMotionListener(thumbDragger); |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
592 remove(thumb); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
593 } |
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parents:
diff
changeset
|
594 thumb = figure; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
595 if (thumb !is null) { |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
changeset
|
596 thumb.addMouseListener(thumbDragger); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
597 thumb.addMouseMotionListener(thumbDragger); |
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Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
changeset
|
598 add(thumb, stringcast(ScrollBarLayout.THUMB)); |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
599 } |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
600 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
601 |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
602 /** |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
603 * Sets the value of the Scrollbar to <i>v</i> |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
604 * |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
605 * @param v the new value |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
606 * @since 2.0 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
607 */ |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
608 public void setValue(int v) { |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
609 getRangeModel().setValue(v); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
610 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
611 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
612 /** |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
613 * Causes the ScrollBar to scroll down (or right) by the value of its step increment. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
614 * |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
615 * @since 2.0 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
616 */ |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
617 protected void stepDown() { |
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Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
changeset
|
618 setValue(getValue() + getStepIncrement()); |
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Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
changeset
|
619 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
620 |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
621 /** |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
622 * Causes the ScrollBar to scroll up (or left) by the value of its step increment. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
623 * |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
624 * @since 2.0 |
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parents:
diff
changeset
|
625 */ |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
626 protected void stepUp() { |
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Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
changeset
|
627 setValue(getValue() - getStepIncrement()); |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
628 } |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
629 |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
630 class ThumbDragger |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
631 : MouseMotionListener.Stub |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
632 , MouseListener |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
633 { |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
634 protected Point start; |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
635 protected int dragRange; |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
636 protected int revertValue; |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
637 protected bool armed; |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
638 public this() { } |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
639 |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
640 public void mousePressed(MouseEvent me) { |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
641 armed = true; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
642 start = me.getLocation(); |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
643 Rectangle area = new Rectangle(transposer.t(getClientArea())); |
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Added dwt-addons in original directory structure of eclipse.org
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parents:
diff
changeset
|
644 Dimension thumbSize = transposer.t(getThumb().getSize()); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
645 if (getButtonUp() !is null) |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
646 area.height -= transposer.t(getButtonUp().getSize()).height; |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
647 if (getButtonDown() !is null) |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
648 area.height -= transposer.t(getButtonDown().getSize()).height; |
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Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
649 Dimension sizeDifference = new Dimension(area.width, |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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650 area.height - thumbSize.height); |
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651 dragRange = sizeDifference.height; |
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652 revertValue = getValue(); |
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653 me.consume(); |
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654 } |
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655 |
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656 public void mouseDragged(MouseEvent me) { |
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657 if (!armed) |
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658 return; |
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659 Dimension difference = transposer.t(me.getLocation().getDifference(start)); |
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660 int change = getValueRange() * difference.height / dragRange; |
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661 setValue(revertValue + change); |
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662 me.consume(); |
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663 } |
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664 |
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665 public void mouseReleased(MouseEvent me) { |
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666 if (!armed) |
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667 return; |
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668 armed = false; |
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669 me.consume(); |
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670 } |
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671 |
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672 public void mouseDoubleClicked(MouseEvent me) { } |
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673 } |
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674 |
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675 } |