Mercurial > projects > dwt-addons
annotate dwtx/jface/fieldassist/ComboContentAdapter.d @ 90:7ffeace6c47f
Update 3.4M7 to 3.4
| author | Frank Benoit <benoit@tionex.de> |
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| date | Sun, 06 Jul 2008 23:30:07 +0200 |
| parents | 5df4896124c7 |
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| rev | line source |
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| 29 | 1 /******************************************************************************* |
| 90 | 2 * Copyright (c) 2005, 2008 IBM Corporation and others. |
| 29 | 3 * All rights reserved. This program and the accompanying materials |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwtx.jface.fieldassist.ComboContentAdapter; | |
| 14 | |
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15 import dwt.DWT; |
| 29 | 16 import dwtx.jface.fieldassist.IControlContentAdapter; |
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17 import dwtx.jface.fieldassist.IControlContentAdapter2; |
| 29 | 18 |
| 19 import dwt.graphics.GC; | |
| 20 import dwt.graphics.Point; | |
| 21 import dwt.graphics.Rectangle; | |
| 22 import dwt.widgets.Combo; | |
| 23 import dwt.widgets.Control; | |
| 24 | |
| 25 import dwt.dwthelper.utils; | |
| 26 import tango.text.Text; | |
| 27 alias tango.text.Text.Text!(char) StringBuffer; | |
| 28 /** | |
| 29 * An {@link IControlContentAdapter} for DWT Combo controls. This is a | |
| 30 * convenience class for easily creating a {@link ContentProposalAdapter} for | |
| 31 * combo fields. | |
| 32 * | |
| 33 * @since 3.2 | |
| 34 */ | |
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35 public class ComboContentAdapter : IControlContentAdapter, |
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36 IControlContentAdapter2 { |
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37 |
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38 /* |
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39 * Set to <code>true</code> if we should compute the text |
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40 * vertical bounds rather than just use the field size. |
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41 * Workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=164748 |
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42 * The corresponding DWT bug is |
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43 * https://bugs.eclipse.org/bugs/show_bug.cgi?id=44072 |
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44 */ |
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45 private static final bool COMPUTE_TEXT_USING_CLIENTAREA = !"carbon".equals(DWT.getPlatform()); //$NON-NLS-1$ |
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46 |
| 29 | 47 |
| 48 /* | |
| 49 * (non-Javadoc) | |
| 50 * | |
| 51 * @see dwtx.jface.dialogs.taskassistance.IControlContentAdapter#getControlContents(dwt.widgets.Control) | |
| 52 */ | |
| 53 public String getControlContents(Control control) { | |
| 54 return (cast(Combo) control).getText(); | |
| 55 } | |
| 56 | |
| 57 /* | |
| 58 * (non-Javadoc) | |
| 59 * | |
| 60 * @see dwtx.jface.fieldassist.IControlContentAdapter#setControlContents(dwt.widgets.Control, | |
| 61 * java.lang.String, int) | |
| 62 */ | |
| 63 public void setControlContents(Control control, String text, | |
| 64 int cursorPosition) { | |
| 65 (cast(Combo) control).setText(text); | |
| 66 (cast(Combo) control) | |
| 67 .setSelection(new Point(cursorPosition, cursorPosition)); | |
| 68 } | |
| 69 | |
| 70 /* | |
| 71 * (non-Javadoc) | |
| 72 * | |
| 73 * @see dwtx.jface.fieldassist.IControlContentAdapter#insertControlContents(dwt.widgets.Control, | |
| 74 * java.lang.String, int) | |
| 75 */ | |
| 76 public void insertControlContents(Control control, String text, | |
| 77 int cursorPosition) { | |
| 78 Combo combo = cast(Combo) control; | |
| 79 String contents = combo.getText(); | |
| 80 Point selection = combo.getSelection(); | |
| 81 StringBuffer sb = new StringBuffer(); | |
| 82 sb.append(contents.substring(0, selection.x)); | |
| 83 sb.append(text); | |
| 84 if (selection.y < contents.length) { | |
| 85 sb.append(contents.substring(selection.y, contents.length)); | |
| 86 } | |
| 87 combo.setText(sb.toString()); | |
| 88 selection.x = selection.x + cursorPosition; | |
| 89 selection.y = selection.x; | |
| 90 combo.setSelection(selection); | |
| 91 } | |
| 92 | |
| 93 /* | |
| 94 * (non-Javadoc) | |
| 95 * | |
| 96 * @see dwtx.jface.fieldassist.IControlContentAdapter#getCursorPosition(dwt.widgets.Control) | |
| 97 */ | |
| 98 public int getCursorPosition(Control control) { | |
| 99 return (cast(Combo) control).getSelection().x; | |
| 100 } | |
| 101 | |
| 102 /* | |
| 103 * (non-Javadoc) | |
| 104 * | |
| 105 * @see dwtx.jface.fieldassist.IControlContentAdapter#getInsertionBounds(dwt.widgets.Control) | |
| 106 */ | |
| 107 public Rectangle getInsertionBounds(Control control) { | |
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108 // This doesn't take horizontal scrolling into affect. |
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109 // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=204599 |
| 29 | 110 Combo combo = cast(Combo) control; |
| 111 int position = combo.getSelection().y; | |
| 112 String contents = combo.getText(); | |
| 113 GC gc = new GC(combo); | |
| 114 gc.setFont(combo.getFont()); | |
| 115 Point extent = gc.textExtent(contents.substring(0, Math.min(position, | |
| 116 contents.length))); | |
| 117 gc.dispose(); | |
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118 if (COMPUTE_TEXT_USING_CLIENTAREA) { |
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119 return new Rectangle(combo.getClientArea().x + extent.x, combo |
| 29 | 120 .getClientArea().y, 1, combo.getClientArea().height); |
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121 } |
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122 return new Rectangle(extent.x, 0, 1, combo.getSize().y); |
| 29 | 123 } |
| 124 | |
| 125 /* | |
| 126 * (non-Javadoc) | |
| 127 * | |
| 128 * @see dwtx.jface.fieldassist.IControlContentAdapter#setCursorPosition(dwt.widgets.Control, | |
| 129 * int) | |
| 130 */ | |
| 131 public void setCursorPosition(Control control, int index) { | |
| 132 (cast(Combo) control).setSelection(new Point(index, index)); | |
| 133 } | |
| 134 | |
| 90 | 135 /** |
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136 * @see dwtx.jface.fieldassist.IControlContentAdapter2#getSelection(dwt.widgets.Control) |
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137 * |
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138 * @since 3.4 |
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139 */ |
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140 public Point getSelection(Control control) { |
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141 return (cast(Combo) control).getSelection(); |
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142 } |
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143 |
| 90 | 144 /** |
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145 * @see dwtx.jface.fieldassist.IControlContentAdapter2#setSelection(dwt.widgets.Control, |
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146 * dwt.graphics.Point) |
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147 * |
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148 * @since 3.4 |
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149 */ |
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150 public void setSelection(Control control, Point range) { |
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151 (cast(Combo) control).setSelection(range); |
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152 } |
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153 |
| 29 | 154 } |