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annotate org.eclipse.ui.forms/src/org/eclipse/ui/internal/forms/widgets/ObjectSegment.d @ 16:dbfb303e8fb0

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first complete successful compile (win-only)
author Frank Benoit <benoit@tionex.de>
date Wed, 18 Mar 2009 08:56:47 +0100
parents bc29606a740c
children
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2007 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.ui.internal.forms.widgets.ObjectSegment;
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14
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15 import org.eclipse.ui.internal.forms.widgets.ParagraphSegment;
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16 import org.eclipse.ui.internal.forms.widgets.Locator;
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17 import org.eclipse.ui.internal.forms.widgets.SelectionData;
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18
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19 import org.eclipse.swt.SWT;
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20 import org.eclipse.swt.graphics.GC;
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21 import org.eclipse.swt.graphics.Point;
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22 import org.eclipse.swt.graphics.Rectangle;
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23
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24 import java.lang.all;
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25 import java.util.Hashtable;
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26 import java.util.Set;
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27
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28 public abstract class ObjectSegment : ParagraphSegment {
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29 public static const int TOP = 1;
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31 public static const int MIDDLE = 2;
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33 public static const int BOTTOM = 3;
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34
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35 private int alignment = BOTTOM;
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36 private bool nowrap=false;
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37 private Rectangle bounds;
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38 private String objectId;
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39
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40 public int getVerticalAlignment() {
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41 return alignment;
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42 }
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43
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44 void setVerticalAlignment(int alignment) {
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45 this.alignment = alignment;
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46 }
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47
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48 public String getObjectId() {
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49 return objectId;
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50 }
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51
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52 void setObjectId(String objectId) {
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53 this.objectId = objectId;
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54 }
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55
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56 protected abstract Point getObjectSize(Hashtable resourceTable, int wHint);
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58 public bool advanceLocator(GC gc, int wHint, Locator loc,
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59 Hashtable objectTable, bool computeHeightOnly) {
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60 Point objectSize = getObjectSize(objectTable, wHint);
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61 int iwidth = 0;
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62 int iheight = 0;
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63 bool newLine = false;
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64
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65 if (objectSize !is null) {
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66 iwidth = objectSize.x + (isSelectable()?2:0);
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67 iheight = objectSize.y + (isSelectable()?2:0);
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68 }
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69 if (wHint !is SWT.DEFAULT && !nowrap && loc.x + iwidth > wHint) {
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70 // new line
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71 if (computeHeightOnly)
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72 loc.collectHeights();
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73 loc.x = loc.indent;
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74 loc.x += iwidth;
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75 loc.y += loc.rowHeight;
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76 loc.width = loc.indent + iwidth;
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77 loc.rowHeight = iheight;
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78 loc.leading = 0;
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79 newLine = true;
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80 } else {
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81 loc.x += iwidth;
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82 loc.width += iwidth;
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83 loc.rowHeight = Math.max(loc.rowHeight, iheight);
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84 }
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85 return newLine;
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86 }
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87
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88 public bool contains(int x, int y) {
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89 if (bounds is null)
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90 return false;
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91 return bounds.contains(x, y);
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92 }
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93 public bool intersects(Rectangle rect) {
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94 if (bounds is null)
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95 return false;
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96 return bounds.intersects(rect);
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97 }
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98
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99 public Rectangle getBounds() {
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100 return bounds;
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101 }
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102
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103 public bool isSelectable() {
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104 return false;
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105 }
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106 /**
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107 * @return Returns the nowrap.
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108 */
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109 public bool isNowrap() {
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110 return nowrap;
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111 }
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112 /**
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113 * @param nowrap The nowrap to set.
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114 */
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115 public void setNowrap(bool nowrap) {
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116 this.nowrap = nowrap;
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117 }
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118 public void paint(GC gc, bool hover, Hashtable resourceTable, bool selected, SelectionData selData, Rectangle repaintRegion) {
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119 }
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120
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121 /* (non-Javadoc)
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122 * @see org.eclipse.ui.internal.forms.widgets.ParagraphSegment#layout(org.eclipse.swt.graphics.GC, int, org.eclipse.ui.internal.forms.widgets.Locator, java.util.Hashtable, bool, org.eclipse.ui.internal.forms.widgets.SelectionData)
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123 */
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124 public void layout(GC gc, int width, Locator loc, Hashtable resourceTable,
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125 bool selected) {
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126 Point size = getObjectSize(resourceTable, width);
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127
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128 int objWidth = 0;
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129 int objHeight = 0;
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130 if (size !is null) {
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131 objWidth = size.x + (isSelectable()?2:0);
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132 objHeight = size.y + (isSelectable()?2:0);
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133 } else
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134 return;
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135 loc.width = objWidth;
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136
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137 if (!nowrap && loc.x + objWidth > width) {
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138 // new row
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139 loc.newLine();
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140 loc.rowCounter++;
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141 }
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142 int ix = loc.x;
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143 int iy = loc.y;
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144
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145 if (alignment is MIDDLE)
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146 iy = loc.getMiddle(objHeight, false);
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147 else if (alignment is BOTTOM)
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148 iy = loc.getBaseline(objHeight, false);
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149 loc.x += objWidth;
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150 loc.rowHeight = Math.max(loc.rowHeight, objHeight);
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151 bounds = new Rectangle(ix, iy, objWidth, objHeight);
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152 }
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153 /* (non-Javadoc)
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154 * @see org.eclipse.ui.internal.forms.widgets.ParagraphSegment#computeSelection(org.eclipse.swt.graphics.GC, java.util.Hashtable, bool, org.eclipse.ui.internal.forms.widgets.SelectionData)
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155 */
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156 public void computeSelection(GC gc, Hashtable resourceTable, SelectionData selData) {
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157 // TODO we should add this to the selection
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158 // if we want to support rich text
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159 }
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160 }