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1 /*******************************************************************************
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2 * Copyright (c) 2006 Tom Schindl 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 * Tom Schindl - initial API and implementation
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10 *******************************************************************************/
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11
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12 module dwtx.jface.snippets.window.Snippet031TableStaticTooltip;
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13
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14 import dwtx.jface.viewers.IStructuredContentProvider;
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15 import dwtx.jface.viewers.ITableLabelProvider;
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16 import dwtx.jface.viewers.LabelProvider;
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17 import dwtx.jface.viewers.TableViewer;
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18 import dwtx.jface.viewers.Viewer;
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19 import dwtx.jface.window.DefaultToolTip;
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20 import dwtx.jface.window.ToolTip;
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21 import dwt.DWT;
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22 import dwt.graphics.Color;
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23 import dwt.graphics.GC;
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24 import dwt.graphics.Image;
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25 import dwt.graphics.Point;
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26 import dwt.layout.FillLayout;
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27 import dwt.widgets.Display;
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28 import dwt.widgets.Shell;
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29 import dwt.widgets.TableColumn;
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30
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31 import dwt.dwthelper.utils;
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32 import tango.text.convert.Format;
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33
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34
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35 /**
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36 * Example how one can create a tooltip which is not recreated for every table
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37 * cell
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38 *
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39 * @author Tom Schindl <tom.schindl@bestsolution.at>
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40 *
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41 */
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42 public class Snippet031TableStaticTooltip {
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43 private static Image[] images;
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44
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45 private class MyContentProvider : IStructuredContentProvider {
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46
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47 /*
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48 * (non-Javadoc)
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49 *
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50 * @see dwtx.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
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51 */
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52 public Object[] getElements(Object inputElement) {
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53 return arrayFromObject!(MyModel)( inputElement );
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54 }
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55
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56 /*
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57 * (non-Javadoc)
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58 *
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59 * @see dwtx.jface.viewers.IContentProvider#dispose()
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60 */
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61 public void dispose() {
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62
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63 }
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64
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65 /*
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66 * (non-Javadoc)
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67 *
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68 * @see dwtx.jface.viewers.IContentProvider#inputChanged(dwtx.jface.viewers.Viewer,
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69 * java.lang.Object, java.lang.Object)
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70 */
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71 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
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72
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73 }
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74
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75 }
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76
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77 public class MyModel {
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78 public int counter;
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79
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80 public this(int counter) {
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81 this.counter = counter;
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82 }
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83
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84 public String toString() {
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85 return Format("Item {}", this.counter );
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86 }
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87 }
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88
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89 public class MyLabelProvider : LabelProvider,
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90 ITableLabelProvider {
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91
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92 public Image getColumnImage(Object element, int columnIndex) {
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93 if (columnIndex == 1) {
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94 return images[(cast(MyModel) element).counter % 4];
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95 }
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96
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97 return null;
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98 }
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99
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100 public String getColumnText(Object element, int columnIndex) {
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101 return Format("Column {} => {}", columnIndex, element.toString());
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102 }
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103
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104 }
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105
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106 private static Image createImage(Display display, int red, int green,
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107 int blue) {
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108 Color color = new Color(display, red, green, blue);
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109 Image image = new Image(display, 10, 10);
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110 GC gc = new GC(image);
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111 gc.setBackground(color);
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112 gc.fillRectangle(0, 0, 10, 10);
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113 gc.dispose();
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114
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115 return image;
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116 }
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117
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118 TableViewer v;
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119 public this(Shell shell) {
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120 v = new TableViewer(shell, DWT.BORDER
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121 | DWT.FULL_SELECTION);
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122 v.setLabelProvider(new MyLabelProvider());
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123 v.setContentProvider(new MyContentProvider());
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124
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125 TableColumn column = new TableColumn(v.getTable(), DWT.NONE);
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126 column.setWidth(200);
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127 column.setText("Column 1");
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128
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129 column = new TableColumn(v.getTable(), DWT.NONE);
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130 column.setWidth(200);
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131 column.setText("Column 2");
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132
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133 MyModel[] model = createModel();
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134 v.setInput(new ArrayWrapperObject(arraycast!(Object)(model)));
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135 v.getTable().setLinesVisible(true);
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136 v.getTable().setHeaderVisible(true);
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137
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138 DefaultToolTip toolTip = new DefaultToolTip(v.getControl(),
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139 ToolTip.NO_RECREATE, false);
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140 toolTip.setText("Hello World\nHello World");
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141 toolTip.setBackgroundColor(v.getTable().getDisplay().getSystemColor(
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142 DWT.COLOR_RED));
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143 toolTip.setShift(new Point(10, 5));
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144 }
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145
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146 private MyModel[] createModel() {
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147 MyModel[] elements = new MyModel[10];
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148
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149 for (int i = 0; i < 10; i++) {
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150 elements[i] = new MyModel(i);
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151 }
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152
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153 return elements;
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154 }
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155
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156 /**
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157 * @param args
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158 */
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159 public static void main(String[] args) {
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160 Display display = new Display();
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161
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162 images = new Image[4];
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163 images[0] = createImage(display, 0, 0, 255);
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164 images[1] = createImage(display, 0, 255, 255);
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165 images[2] = createImage(display, 0, 255, 0);
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166 images[3] = createImage(display, 255, 0, 255);
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167
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168 Shell shell = new Shell(display);
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169 shell.setLayout(new FillLayout());
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170 new Snippet031TableStaticTooltip(shell);
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171 shell.open();
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172
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173 while (!shell.isDisposed()) {
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174 if (!display.readAndDispatch())
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175 display.sleep();
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176 }
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177
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178 for (int i = 0; i < images.length; i++) {
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179 images[i].dispose();
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180 }
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181
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182 display.dispose();
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183
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184 }
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185
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186 }
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187
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188 void main(){
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189 Snippet031TableStaticTooltip.main(null);
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190 } |
