Mercurial > projects > dwt-addons
annotate dwtx/jface/fieldassist/ComboContentAdapter.d @ 70:46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Thu, 22 May 2008 01:36:46 +0200 |
| parents | f12d40e7da8f |
| children | 5df4896124c7 |
| rev | line source |
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| 29 | 1 /******************************************************************************* |
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2 * Copyright (c) 2005, 2007 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; |
| 17 | |
| 18 import dwt.graphics.GC; | |
| 19 import dwt.graphics.Point; | |
| 20 import dwt.graphics.Rectangle; | |
| 21 import dwt.widgets.Combo; | |
| 22 import dwt.widgets.Control; | |
| 23 | |
| 24 import dwt.dwthelper.utils; | |
| 25 import tango.text.Text; | |
| 26 alias tango.text.Text.Text!(char) StringBuffer; | |
| 27 /** | |
| 28 * An {@link IControlContentAdapter} for DWT Combo controls. This is a | |
| 29 * convenience class for easily creating a {@link ContentProposalAdapter} for | |
| 30 * combo fields. | |
| 31 * | |
| 32 * @since 3.2 | |
| 33 */ | |
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34 public class ComboContentAdapter : IControlContentAdapter, |
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35 IControlContentAdapter2 { |
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36 |
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37 /* |
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38 * Set to <code>true</code> if we should compute the text |
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39 * vertical bounds rather than just use the field size. |
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40 * Workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=164748 |
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41 * The corresponding DWT bug is |
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42 * https://bugs.eclipse.org/bugs/show_bug.cgi?id=44072 |
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43 */ |
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44 private static final bool COMPUTE_TEXT_USING_CLIENTAREA = !"carbon".equals(DWT.getPlatform()); //$NON-NLS-1$ |
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45 |
| 29 | 46 |
| 47 /* | |
| 48 * (non-Javadoc) | |
| 49 * | |
| 50 * @see dwtx.jface.dialogs.taskassistance.IControlContentAdapter#getControlContents(dwt.widgets.Control) | |
| 51 */ | |
| 52 public String getControlContents(Control control) { | |
| 53 return (cast(Combo) control).getText(); | |
| 54 } | |
| 55 | |
| 56 /* | |
| 57 * (non-Javadoc) | |
| 58 * | |
| 59 * @see dwtx.jface.fieldassist.IControlContentAdapter#setControlContents(dwt.widgets.Control, | |
| 60 * java.lang.String, int) | |
| 61 */ | |
| 62 public void setControlContents(Control control, String text, | |
| 63 int cursorPosition) { | |
| 64 (cast(Combo) control).setText(text); | |
| 65 (cast(Combo) control) | |
| 66 .setSelection(new Point(cursorPosition, cursorPosition)); | |
| 67 } | |
| 68 | |
| 69 /* | |
| 70 * (non-Javadoc) | |
| 71 * | |
| 72 * @see dwtx.jface.fieldassist.IControlContentAdapter#insertControlContents(dwt.widgets.Control, | |
| 73 * java.lang.String, int) | |
| 74 */ | |
| 75 public void insertControlContents(Control control, String text, | |
| 76 int cursorPosition) { | |
| 77 Combo combo = cast(Combo) control; | |
| 78 String contents = combo.getText(); | |
| 79 Point selection = combo.getSelection(); | |
| 80 StringBuffer sb = new StringBuffer(); | |
| 81 sb.append(contents.substring(0, selection.x)); | |
| 82 sb.append(text); | |
| 83 if (selection.y < contents.length) { | |
| 84 sb.append(contents.substring(selection.y, contents.length)); | |
| 85 } | |
| 86 combo.setText(sb.toString()); | |
| 87 selection.x = selection.x + cursorPosition; | |
| 88 selection.y = selection.x; | |
| 89 combo.setSelection(selection); | |
| 90 } | |
| 91 | |
| 92 /* | |
| 93 * (non-Javadoc) | |
| 94 * | |
| 95 * @see dwtx.jface.fieldassist.IControlContentAdapter#getCursorPosition(dwt.widgets.Control) | |
| 96 */ | |
| 97 public int getCursorPosition(Control control) { | |
| 98 return (cast(Combo) control).getSelection().x; | |
| 99 } | |
| 100 | |
| 101 /* | |
| 102 * (non-Javadoc) | |
| 103 * | |
| 104 * @see dwtx.jface.fieldassist.IControlContentAdapter#getInsertionBounds(dwt.widgets.Control) | |
| 105 */ | |
| 106 public Rectangle getInsertionBounds(Control control) { | |
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107 // This doesn't take horizontal scrolling into affect. |
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108 // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=204599 |
| 29 | 109 Combo combo = cast(Combo) control; |
| 110 int position = combo.getSelection().y; | |
| 111 String contents = combo.getText(); | |
| 112 GC gc = new GC(combo); | |
| 113 gc.setFont(combo.getFont()); | |
| 114 Point extent = gc.textExtent(contents.substring(0, Math.min(position, | |
| 115 contents.length))); | |
| 116 gc.dispose(); | |
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117 if (COMPUTE_TEXT_USING_CLIENTAREA) { |
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118 return new Rectangle(combo.getClientArea().x + extent.x, combo |
| 29 | 119 .getClientArea().y, 1, combo.getClientArea().height); |
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120 } |
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121 return new Rectangle(extent.x, 0, 1, combo.getSize().y); |
| 29 | 122 } |
| 123 | |
| 124 /* | |
| 125 * (non-Javadoc) | |
| 126 * | |
| 127 * @see dwtx.jface.fieldassist.IControlContentAdapter#setCursorPosition(dwt.widgets.Control, | |
| 128 * int) | |
| 129 */ | |
| 130 public void setCursorPosition(Control control, int index) { | |
| 131 (cast(Combo) control).setSelection(new Point(index, index)); | |
| 132 } | |
| 133 | |
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134 /* |
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135 * (non-Javadoc) |
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136 * |
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137 * @see dwtx.jface.fieldassist.IControlContentAdapter2#getSelection(dwt.widgets.Control) |
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138 * |
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139 * @since 3.4 |
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140 */ |
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141 public Point getSelection(Control control) { |
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142 return ((Combo) control).getSelection(); |
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143 } |
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144 |
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145 /* |
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146 * (non-Javadoc) |
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147 * |
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148 * @see dwtx.jface.fieldassist.IControlContentAdapter2#setSelection(dwt.widgets.Control, |
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149 * dwt.graphics.Point) |
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150 * |
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151 * @since 3.4 |
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152 */ |
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153 public void setSelection(Control control, Point range) { |
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154 ((Combo) control).setSelection(range); |
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155 } |
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156 |
| 29 | 157 } |