Mercurial > projects > dwt-addons
annotate dwtx/ui/internal/forms/widgets/ImageSegment.d @ 104:04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
These new wrappers now use the tango.util.containers instead of the tango.util.collections.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Thu, 07 Aug 2008 15:01:33 +0200 |
| parents | 26c6c9dfd13c |
| children |
| rev | line source |
|---|---|
| 75 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2005 IBM Corporation and others. | |
| 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.ui.internal.forms.widgets.ImageSegment; | |
| 14 | |
| 15 import dwtx.ui.internal.forms.widgets.ObjectSegment; | |
| 16 import dwtx.ui.internal.forms.widgets.SelectionData; | |
|
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parents:
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changeset
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17 import dwtx.ui.internal.forms.widgets.FormUtil; |
| 75 | 18 |
| 19 import dwt.graphics.Color; | |
| 20 import dwt.graphics.GC; | |
| 21 import dwt.graphics.Image; | |
| 22 import dwt.graphics.Point; | |
| 23 import dwt.graphics.Rectangle; | |
| 24 | |
| 25 import dwt.dwthelper.utils; | |
|
104
04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
77
diff
changeset
|
26 import dwtx.dwtxhelper.Collection; |
| 75 | 27 |
| 28 /** | |
| 29 * @version 1.0 | |
| 30 * @author | |
| 31 */ | |
| 32 public class ImageSegment : ObjectSegment { | |
| 33 public static const String SEL_IMAGE_PREFIX = "isel."; //$NON-NLS-1$ | |
| 34 | |
| 35 public Image getImage(Hashtable objectTable) { | |
| 36 return getImage(getObjectId(), objectTable); | |
| 37 } | |
| 38 | |
| 39 private Image getImage(String key, Hashtable objectTable) { | |
| 40 if (key is null) | |
| 41 return null; | |
| 42 Object obj = objectTable.get(key); | |
| 43 if (obj is null) | |
| 44 return null; | |
| 45 if ( auto image = cast(Image)obj ) | |
| 46 return image; | |
| 47 return null; | |
| 48 } | |
| 49 | |
| 50 private Image getSelectedImage(Hashtable objectTable, SelectionData selData) { | |
|
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26c6c9dfd13c
ui.forms compile, just FormTextModel with xml reimpl left todo
Frank Benoit <benoit@tionex.de>
parents:
75
diff
changeset
|
51 String key = SEL_IMAGE_PREFIX ~ getObjectId(); |
| 75 | 52 Image image = getImage(key, objectTable); |
| 53 if (image is null) { | |
| 54 image = FormUtil.createAlphaMashImage(selData.display, getImage(objectTable)); | |
| 55 if (image !is null) | |
|
104
04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
77
diff
changeset
|
56 objectTable.put(key, image); |
| 75 | 57 } |
| 58 return image; | |
| 59 } | |
| 60 /* | |
| 61 private String getSelectedImageId() { | |
| 62 if (getObjectId() is null) | |
| 63 return null; | |
| 64 return SEL_IMAGE_PREFIX + getObjectId(); | |
| 65 } | |
| 66 */ | |
| 67 | |
| 68 public void paint(GC gc, bool hover, Hashtable resourceTable, bool selected, SelectionData selData, Rectangle repaintRegion) { | |
| 69 Image image = getImage(resourceTable); | |
| 70 int iwidth = 0; | |
| 71 int iheight = 0; | |
| 72 if (image !is null) { | |
| 73 Rectangle rect = image.getBounds(); | |
| 74 iwidth = rect.width + (isSelectable()?2:0); | |
| 75 iheight = rect.height + (isSelectable()?2:0); | |
| 76 } else | |
| 77 return; | |
| 78 Rectangle bounds = getBounds(); | |
| 79 int ix = bounds.x+(isSelectable()?1:0); | |
| 80 int iy = bounds.y+(isSelectable()?1:0); | |
| 81 | |
| 82 if (selData !is null) { | |
| 83 int leftOffset = selData.getLeftOffset(bounds.height); | |
| 84 int rightOffset = selData.getRightOffset(bounds.height); | |
| 85 bool firstRow = selData.isFirstSelectionRow(bounds.y, | |
| 86 bounds.height); | |
| 87 bool lastRow = selData.isLastSelectionRow(bounds.y, | |
| 88 bounds.height); | |
| 89 bool selectedRow = selData | |
| 90 .isSelectedRow(bounds.y, bounds.height); | |
| 91 if (selectedRow) { | |
| 92 if ((firstRow && leftOffset > ix) || | |
| 93 (lastRow && rightOffset < ix + iwidth/2)) { | |
| 94 drawClipImage(gc, image, ix, iy, repaintRegion); | |
| 95 } | |
| 96 else { | |
| 97 Color savedBg = gc.getBackground(); | |
| 98 gc.setBackground(selData.bg); | |
| 99 int sx = ix; | |
| 100 int sy = iy; | |
| 101 if (repaintRegion !is null) { | |
| 102 sx -= repaintRegion.x; | |
| 103 sy -= repaintRegion.y; | |
| 104 } | |
| 105 gc.fillRectangle(sx, sy, iwidth, iheight); | |
| 106 Image selImage = getSelectedImage(resourceTable, selData); | |
| 107 gc.drawImage(selImage, sx, sy); | |
| 108 gc.setBackground(savedBg); | |
| 109 } | |
| 110 } | |
| 111 else | |
| 112 drawClipImage(gc, image, ix, iy, repaintRegion); | |
| 113 } else | |
| 114 drawClipImage(gc, image, ix, iy, repaintRegion); | |
| 115 if (selected) { | |
| 116 int fx = bounds.x; | |
| 117 int fy = bounds.y; | |
| 118 if (repaintRegion !is null) { | |
| 119 fx -= repaintRegion.x; | |
| 120 fy -= repaintRegion.y; | |
| 121 } | |
| 122 Color fg = gc.getForeground(); | |
| 123 gc.setForeground(gc.getBackground()); | |
| 124 // Clean up to avoid canceling out XOR if it is already | |
| 125 // selected. | |
| 126 gc.drawRectangle(bounds.x, bounds.y, bounds.width - 1, | |
| 127 bounds.height - 1); | |
| 128 gc.setForeground(fg); | |
| 129 gc.drawFocus(fx, fy, bounds.width, bounds.height); | |
| 130 } | |
| 131 } | |
| 132 private void drawClipImage(GC gc, Image image, int ix, int iy, Rectangle repaintRegion) { | |
| 133 if (repaintRegion !is null) { | |
| 134 ix -= repaintRegion.x; | |
| 135 iy -= repaintRegion.y; | |
| 136 } | |
| 137 gc.drawImage(image, ix, iy); | |
| 138 } | |
| 139 | |
| 140 protected Point getObjectSize(Hashtable resourceTable, int wHint) { | |
| 141 Image image = getImage(resourceTable); | |
| 142 if (image is null) | |
| 143 return new Point(0, 0); | |
| 144 Rectangle ibounds = image.getBounds(); | |
| 145 return new Point(ibounds.width, ibounds.height); | |
| 146 } | |
| 147 } |