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1 /*******************************************************************************
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2 * Copyright (c) 2005, 2006 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 dwtx.jface.fieldassist.ComboContentAdapter;
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14
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15 import dwtx.jface.fieldassist.IControlContentAdapter;
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16
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17 import dwt.graphics.GC;
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18 import dwt.graphics.Point;
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19 import dwt.graphics.Rectangle;
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20 import dwt.widgets.Combo;
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21 import dwt.widgets.Control;
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22
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23 import dwt.dwthelper.utils;
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24 import tango.text.Text;
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25 alias tango.text.Text.Text!(char) StringBuffer;
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26 /**
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27 * An {@link IControlContentAdapter} for DWT Combo controls. This is a
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28 * convenience class for easily creating a {@link ContentProposalAdapter} for
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29 * combo fields.
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30 *
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31 * @since 3.2
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32 */
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33 public class ComboContentAdapter : IControlContentAdapter {
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34
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35 /*
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36 * (non-Javadoc)
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37 *
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38 * @see dwtx.jface.dialogs.taskassistance.IControlContentAdapter#getControlContents(dwt.widgets.Control)
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39 */
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40 public String getControlContents(Control control) {
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41 return (cast(Combo) control).getText();
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42 }
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43
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44 /*
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45 * (non-Javadoc)
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46 *
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47 * @see dwtx.jface.fieldassist.IControlContentAdapter#setControlContents(dwt.widgets.Control,
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48 * java.lang.String, int)
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49 */
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50 public void setControlContents(Control control, String text,
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51 int cursorPosition) {
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52 (cast(Combo) control).setText(text);
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53 (cast(Combo) control)
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54 .setSelection(new Point(cursorPosition, cursorPosition));
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55 }
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56
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57 /*
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58 * (non-Javadoc)
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59 *
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60 * @see dwtx.jface.fieldassist.IControlContentAdapter#insertControlContents(dwt.widgets.Control,
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61 * java.lang.String, int)
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62 */
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63 public void insertControlContents(Control control, String text,
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64 int cursorPosition) {
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65 Combo combo = cast(Combo) control;
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66 String contents = combo.getText();
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67 Point selection = combo.getSelection();
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68 StringBuffer sb = new StringBuffer();
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69 sb.append(contents.substring(0, selection.x));
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70 sb.append(text);
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71 if (selection.y < contents.length) {
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72 sb.append(contents.substring(selection.y, contents.length));
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73 }
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74 combo.setText(sb.toString());
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75 selection.x = selection.x + cursorPosition;
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76 selection.y = selection.x;
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77 combo.setSelection(selection);
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78 }
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79
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80 /*
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81 * (non-Javadoc)
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82 *
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83 * @see dwtx.jface.fieldassist.IControlContentAdapter#getCursorPosition(dwt.widgets.Control)
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84 */
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85 public int getCursorPosition(Control control) {
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86 return (cast(Combo) control).getSelection().x;
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87 }
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88
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89 /*
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90 * (non-Javadoc)
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91 *
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92 * @see dwtx.jface.fieldassist.IControlContentAdapter#getInsertionBounds(dwt.widgets.Control)
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93 */
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94 public Rectangle getInsertionBounds(Control control) {
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95 Combo combo = cast(Combo) control;
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96 int position = combo.getSelection().y;
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97 String contents = combo.getText();
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98 GC gc = new GC(combo);
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99 gc.setFont(combo.getFont());
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100 Point extent = gc.textExtent(contents.substring(0, Math.min(position,
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101 contents.length)));
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102 gc.dispose();
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103 return new Rectangle(combo.getClientArea().x + extent.x, combo
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104 .getClientArea().y, 1, combo.getClientArea().height);
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105 }
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106
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107 /*
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108 * (non-Javadoc)
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109 *
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110 * @see dwtx.jface.fieldassist.IControlContentAdapter#setCursorPosition(dwt.widgets.Control,
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111 * int)
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112 */
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113 public void setCursorPosition(Control control, int index) {
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114 (cast(Combo) control).setSelection(new Point(index, index));
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115 }
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116
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117 }
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