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annotate org.eclipse.ui.forms/src/org/eclipse/ui/internal/forms/widgets/SelectionData.d @ 91:2755ef2c8ef8

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Fix compile for base type changes
author Frank Benoit <benoit@tionex.de>
date Sun, 19 Apr 2009 12:22:47 +0200
parents bc29606a740c
children
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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.ui.internal.forms.widgets.SelectionData;
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15 import org.eclipse.ui.internal.forms.widgets.Locator;
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17 import org.eclipse.swt.SWT;
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18 import org.eclipse.swt.events.MouseEvent;
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19 import org.eclipse.swt.graphics.Color;
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20 import org.eclipse.swt.graphics.Point;
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21 import org.eclipse.swt.widgets.Display;
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22
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23 import java.lang.all;
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24 import java.util.ArrayList;
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25 import java.util.Set;
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27 static import tango.text.Text;
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28
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29 public class SelectionData {
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30 public Display display;
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31 public Color bg;
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32 public Color fg;
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33 private Point start;
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34 private Point stop;
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35 private ArrayList segments;
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36 private bool newLineNeeded;
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37
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38 public this(MouseEvent e) {
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39 display = e.display;
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40 segments = new ArrayList();
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41 start = new Point(e.x, e.y);
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42 stop = new Point(e.x, e.y);
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43 bg = e.display.getSystemColor(SWT.COLOR_LIST_SELECTION);
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44 fg = e.display.getSystemColor(SWT.COLOR_LIST_SELECTION_TEXT);
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45 }
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46
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47 public void markNewLine() {
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48 newLineNeeded=true;
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49 }
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50 public void addSegment(String text) {
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51 if (newLineNeeded) {
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52 segments.add(System.getProperty("line.separator")); //$NON-NLS-1$
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53 newLineNeeded=false;
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54 }
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55 segments.add(text);
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56 }
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57
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58 public void update(MouseEvent e) {
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59 //Control c = (Control)e.widget;
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60 stop.x = e.x;
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61 stop.y = e.y;
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62 }
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63 public void reset() {
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64 segments.clear();
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65 }
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66 public String getSelectionText() {
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67 auto buf = new tango.text.Text.Text!(char);
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68 for (int i=0; i<segments.size(); i++) {
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69 buf.append(stringcast(segments.get(i)));
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70 }
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71 return buf.toString();
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72 }
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73 public bool canCopy() {
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74 return segments.size()>0;
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75 }
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76
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77 private int getTopOffset() {
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78 return start.y<stop.y?start.y:stop.y;
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79 }
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80 private int getBottomOffset() {
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81 return start.y>stop.y?start.y:stop.y;
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82 }
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83 public int getLeftOffset(Locator locator) {
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84 return isInverted(locator)? stop.x:start.x;
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85 }
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86 public int getLeftOffset(int rowHeight) {
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87 return isInverted(rowHeight) ? stop.x:start.x;
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88 }
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89 public int getRightOffset(Locator locator) {
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90 return isInverted(locator)? start.x: stop.x;
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91 }
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92 public int getRightOffset(int rowHeight) {
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93 return isInverted(rowHeight) ? start.x:stop.x;
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94 }
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95 private bool isInverted(Locator locator) {
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96 int rowHeight = arrayFromObject!(Integer)(locator.heights.get(locator.rowCounter))[0].intValue();
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97 return isInverted(rowHeight);
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98 }
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99 private bool isInverted(int rowHeight) {
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100 int deltaY = start.y - stop.y;
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101 if (Math.abs(deltaY) > rowHeight) {
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102 // inter-row selection
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103 return deltaY>0;
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104 }
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105 // intra-row selection
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106 return start.x > stop.x;
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107 }
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108 public bool isEnclosed() {
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109 return !start.opEquals(stop);
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110 }
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111
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112 public bool isSelectedRow(Locator locator) {
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113 if (!isEnclosed())
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114 return false;
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115 int rowHeight = arrayFromObject!(Integer)(locator.heights.get(locator.rowCounter))[0].intValue();
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116 return isSelectedRow(locator.y, rowHeight);
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117 }
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118 public bool isSelectedRow(int y, int rowHeight) {
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119 if (!isEnclosed())
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120 return false;
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121 return (y + rowHeight >= getTopOffset() &&
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122 y <= getBottomOffset());
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123 }
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124 public bool isFirstSelectionRow(Locator locator) {
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125 if (!isEnclosed())
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126 return false;
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127 int rowHeight = arrayFromObject!(Integer)(locator.heights.get(locator.rowCounter))[0].intValue();
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128 return (locator.y + rowHeight >= getTopOffset() &&
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129 locator.y <= getTopOffset());
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130 }
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131 public bool isFirstSelectionRow(int y, int rowHeight) {
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132 if (!isEnclosed())
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133 return false;
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134 return (y + rowHeight >= getTopOffset() &&
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135 y <= getTopOffset());
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136 }
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137 public bool isLastSelectionRow(Locator locator) {
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138 if (!isEnclosed())
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139 return false;
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140 int rowHeight = arrayFromObject!(Integer)(locator.heights.get(locator.rowCounter))[0].intValue();
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141 return (locator.y + rowHeight >=getBottomOffset() &&
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142 locator.y <= getBottomOffset());
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143 }
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144 public bool isLastSelectionRow(int y, int rowHeight) {
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145 if (!isEnclosed())
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146 return false;
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147 return (y + rowHeight >=getBottomOffset() &&
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148 y <= getBottomOffset());
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149 }
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150 }