Mercurial > projects > dwt-addons
annotate dwtx/jface/text/hyperlink/MultipleHyperlinkPresenter.d @ 200:eb3414669eb0 default tip
fix for dmd 1.041 and tango 0.99.8
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sat, 28 Mar 2009 03:09:57 +0100 |
| parents | c3583c6ec027 |
| children |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2008 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.jface.text.hyperlink.MultipleHyperlinkPresenter; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.hyperlink.IHyperlinkPresenterExtension; // packageimport |
| 16 import dwtx.jface.text.hyperlink.HyperlinkManager; // packageimport | |
| 17 import dwtx.jface.text.hyperlink.URLHyperlink; // packageimport | |
| 18 import dwtx.jface.text.hyperlink.IHyperlinkDetectorExtension2; // packageimport | |
| 19 import dwtx.jface.text.hyperlink.IHyperlinkDetector; // packageimport | |
| 20 import dwtx.jface.text.hyperlink.IHyperlinkPresenter; // packageimport | |
| 21 import dwtx.jface.text.hyperlink.URLHyperlinkDetector; // packageimport | |
| 22 import dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter; // packageimport | |
| 23 import dwtx.jface.text.hyperlink.AbstractHyperlinkDetector; // packageimport | |
| 24 import dwtx.jface.text.hyperlink.IHyperlinkDetectorExtension; // packageimport | |
| 25 import dwtx.jface.text.hyperlink.HyperlinkMessages; // packageimport | |
| 26 import dwtx.jface.text.hyperlink.IHyperlink; // packageimport | |
| 27 | |
| 129 | 28 import dwt.dwthelper.utils; |
| 29 | |
| 30 import dwt.DWT; | |
| 31 import dwt.events.KeyAdapter; | |
| 32 import dwt.events.KeyEvent; | |
| 33 import dwt.events.KeyListener; | |
| 34 import dwt.events.MouseAdapter; | |
| 35 import dwt.events.MouseEvent; | |
| 36 import dwt.events.MouseMoveListener; | |
| 37 import dwt.events.SelectionAdapter; | |
| 38 import dwt.events.SelectionEvent; | |
| 39 import dwt.events.ShellAdapter; | |
| 40 import dwt.events.ShellEvent; | |
| 41 import dwt.graphics.Color; | |
| 42 import dwt.graphics.Point; | |
| 43 import dwt.graphics.RGB; | |
| 44 import dwt.graphics.Rectangle; | |
| 45 import dwt.layout.GridLayout; | |
| 46 import dwt.widgets.Composite; | |
| 47 import dwt.widgets.Control; | |
| 48 import dwt.widgets.Display; | |
| 49 import dwt.widgets.Event; | |
| 50 import dwt.widgets.Listener; | |
| 51 import dwt.widgets.Shell; | |
| 52 import dwt.widgets.Table; | |
| 53 import dwt.widgets.TableItem; | |
| 54 import dwtx.jface.preference.IPreferenceStore; | |
| 55 import dwtx.jface.text.AbstractInformationControl; | |
| 56 import dwtx.jface.text.AbstractInformationControlManager; | |
| 57 import dwtx.jface.text.IInformationControl; | |
| 58 import dwtx.jface.text.IInformationControlCreator; | |
| 59 import dwtx.jface.text.IInformationControlExtension2; | |
| 60 import dwtx.jface.text.IInformationControlExtension3; | |
| 61 import dwtx.jface.text.IRegion; | |
| 62 import dwtx.jface.text.ITextHover; | |
| 63 import dwtx.jface.text.ITextHoverExtension; | |
| 64 import dwtx.jface.text.ITextViewer; | |
| 65 import dwtx.jface.text.IWidgetTokenKeeper; | |
| 66 import dwtx.jface.text.IWidgetTokenKeeperExtension; | |
| 67 import dwtx.jface.text.IWidgetTokenOwner; | |
| 68 import dwtx.jface.text.IWidgetTokenOwnerExtension; | |
| 69 import dwtx.jface.text.JFaceTextUtil; | |
| 70 import dwtx.jface.text.Region; | |
| 71 import dwtx.jface.util.Geometry; | |
| 72 import dwtx.jface.viewers.ColumnLabelProvider; | |
| 73 import dwtx.jface.viewers.IStructuredContentProvider; | |
| 74 import dwtx.jface.viewers.TableViewer; | |
| 75 import dwtx.jface.viewers.Viewer; | |
| 76 | |
| 77 | |
| 78 /** | |
| 79 * A hyperlink presenter capable of showing multiple hyperlinks in a hover. | |
|
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80 * |
| 129 | 81 * @since 3.4 |
| 82 */ | |
| 83 public class MultipleHyperlinkPresenter : DefaultHyperlinkPresenter { | |
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84 |
| 129 | 85 /** |
| 86 * An information control capable of showing a list of hyperlinks. The hyperlinks can be opened. | |
| 87 */ | |
| 88 private static class LinkListInformationControl : AbstractInformationControl , IInformationControlExtension2 { | |
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89 |
| 129 | 90 private static final class LinkContentProvider : IStructuredContentProvider { |
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91 |
| 129 | 92 /* |
| 93 * @see dwtx.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) | |
| 94 */ | |
| 95 public Object[] getElements(Object inputElement) { | |
| 158 | 96 return arrayFromObject!(Object)( inputElement); |
| 129 | 97 } |
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98 |
| 129 | 99 /* |
| 100 * @see dwtx.jface.viewers.IContentProvider#dispose() | |
| 101 */ | |
| 102 public void dispose() { | |
| 103 } | |
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104 |
| 129 | 105 /* |
| 106 * @see dwtx.jface.viewers.IContentProvider#inputChanged(dwtx.jface.viewers.Viewer, java.lang.Object, java.lang.Object) | |
| 107 */ | |
| 108 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
| 109 } | |
| 110 } | |
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111 |
| 129 | 112 private static final class LinkLabelProvider : ColumnLabelProvider { |
| 113 /* | |
| 114 * @see dwtx.jface.viewers.ColumnLabelProvider#getText(java.lang.Object) | |
| 115 */ | |
| 116 public String getText(Object element) { | |
| 134 | 117 IHyperlink link= cast(IHyperlink)element; |
| 129 | 118 String text= link.getHyperlinkText(); |
| 119 if (text !is null) | |
| 120 return text; | |
| 121 return HyperlinkMessages.getString("LinkListInformationControl.unknownLink"); //$NON-NLS-1$ | |
| 122 } | |
| 123 } | |
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124 |
| 146 | 125 private const MultipleHyperlinkHoverManager fManager; |
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126 |
| 129 | 127 private IHyperlink[] fInput; |
| 128 private Composite fParent; | |
| 129 private Table fTable; | |
| 130 | |
| 131 private Color fForegroundColor; | |
| 132 private Color fBackgroundColor; | |
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133 |
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134 |
| 129 | 135 /** |
| 136 * Creates a link list information control with the given shell as parent. | |
| 137 * | |
| 138 * @param parentShell the parent shell | |
| 139 * @param manager the hover manager | |
| 140 * @param foregroundColor the foreground color, must not be disposed | |
| 141 * @param backgroundColor the background color, must not be disposed | |
| 142 */ | |
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143 public this(Shell parentShell, MultipleHyperlinkHoverManager manager, Color foregroundColor, Color backgroundColor) { |
| 129 | 144 super(parentShell, false); |
| 145 fManager= manager; | |
| 146 fForegroundColor= foregroundColor; | |
| 147 fBackgroundColor= backgroundColor; | |
| 148 create(); | |
| 149 } | |
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150 |
| 129 | 151 /* |
| 152 * @see dwtx.jface.text.IInformationControl#setInformation(java.lang.String) | |
| 153 */ | |
| 154 public void setInformation(String information) { | |
| 155 //replaced by IInformationControlExtension2#setInput(java.lang.Object) | |
| 156 } | |
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157 |
| 129 | 158 /* |
| 159 * @see dwtx.jface.text.IInformationControlExtension2#setInput(java.lang.Object) | |
| 160 */ | |
| 161 public void setInput(Object input) { | |
| 158 | 162 fInput= arrayFromObject!(IHyperlink)( input); |
| 129 | 163 deferredCreateContent(fParent); |
| 164 } | |
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165 |
| 129 | 166 /* |
| 167 * @see dwtx.jface.text.AbstractInformationControl#createContent(dwt.widgets.Composite) | |
| 168 */ | |
| 169 protected void createContent(Composite parent) { | |
| 170 fParent= parent; | |
| 171 if ("win32".equals(DWT.getPlatform())) { //$NON-NLS-1$ | |
| 172 GridLayout layout= new GridLayout(); | |
| 173 layout.marginWidth= 0; | |
| 174 layout.marginRight= 4; | |
| 175 fParent.setLayout(layout); | |
| 176 } | |
| 177 fParent.setForeground(fForegroundColor); | |
| 178 fParent.setBackground(fBackgroundColor); | |
| 179 } | |
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180 |
| 129 | 181 /* |
| 182 * @see dwtx.jface.text.AbstractInformationControl#computeSizeHint() | |
| 183 */ | |
| 184 public Point computeSizeHint() { | |
| 185 Point preferedSize= getShell().computeSize(DWT.DEFAULT, DWT.DEFAULT, true); | |
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186 |
| 129 | 187 Point constraints= getSizeConstraints(); |
| 188 if (constraints is null) | |
| 189 return preferedSize; | |
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190 |
| 129 | 191 if (fTable.getVerticalBar() is null || fTable.getHorizontalBar() is null) |
| 192 return Geometry.min(constraints, preferedSize); | |
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193 |
| 129 | 194 int scrollBarWidth= fTable.getVerticalBar().getSize().x; |
| 195 int scrollBarHeight= fTable.getHorizontalBar().getSize().y; | |
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196 |
| 129 | 197 int width; |
| 198 if (preferedSize.y - scrollBarHeight <= constraints.y) { | |
| 199 width= preferedSize.x - scrollBarWidth; | |
| 200 fTable.getVerticalBar().setVisible(false); | |
| 201 } else { | |
| 202 width= Math.min(preferedSize.x, constraints.x); | |
| 203 } | |
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204 |
| 129 | 205 int height; |
| 206 if (preferedSize.x - scrollBarWidth <= constraints.x) { | |
| 207 height= preferedSize.y - scrollBarHeight; | |
| 208 fTable.getHorizontalBar().setVisible(false); | |
| 209 } else { | |
| 210 height= Math.min(preferedSize.y, constraints.y); | |
| 211 } | |
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212 |
| 129 | 213 return new Point(width, height); |
| 214 } | |
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215 |
| 129 | 216 private void deferredCreateContent(Composite parent) { |
| 217 fTable= new Table(parent, DWT.SINGLE | DWT.FULL_SELECTION); | |
| 218 fTable.setLinesVisible(false); | |
| 219 fTable.setHeaderVisible(false); | |
| 220 fTable.setForeground(fForegroundColor); | |
| 221 fTable.setBackground(fBackgroundColor); | |
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222 |
| 129 | 223 final TableViewer viewer= new TableViewer(fTable); |
| 224 viewer.setContentProvider(new LinkContentProvider()); | |
| 225 viewer.setLabelProvider(new LinkLabelProvider()); | |
| 162 | 226 viewer.setInput(new ArrayWrapperObject( arraycast!(Object)(fInput))); |
| 129 | 227 fTable.setSelection(0); |
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228 |
| 129 | 229 registerTableListeners(); |
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230 |
| 135 | 231 getShell().addShellListener(new class() ShellAdapter { |
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232 |
| 129 | 233 /* |
| 234 * @see dwt.events.ShellAdapter#shellActivated(dwt.events.ShellEvent) | |
| 235 */ | |
| 236 public void shellActivated(ShellEvent e) { | |
| 237 if (viewer.getTable().getSelectionCount() is 0) { | |
| 238 viewer.getTable().setSelection(0); | |
| 239 } | |
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240 |
| 129 | 241 viewer.getTable().setFocus(); |
| 242 } | |
| 243 }); | |
| 244 } | |
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245 |
| 129 | 246 private void registerTableListeners() { |
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247 |
| 135 | 248 fTable.addMouseMoveListener(new class() MouseMoveListener { |
| 129 | 249 TableItem fLastItem= null; |
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250 |
| 129 | 251 public void mouseMove(MouseEvent e) { |
| 162 | 252 if (fTable.opEquals(e.getSource())) { |
| 129 | 253 Object o= fTable.getItem(new Point(e.x, e.y)); |
| 138 | 254 if ( cast(TableItem)o ) { |
| 134 | 255 TableItem item= cast(TableItem) o; |
| 162 | 256 if (!o.opEquals(fLastItem)) { |
| 134 | 257 fLastItem= cast(TableItem) o; |
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258 fTable.setSelection([ fLastItem ]); |
| 129 | 259 } else if (e.y < fTable.getItemHeight() / 4) { |
| 260 // Scroll up | |
| 261 int index= fTable.indexOf(item); | |
| 262 if (index > 0) { | |
| 263 fLastItem= fTable.getItem(index - 1); | |
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264 fTable.setSelection([ fLastItem ]); |
| 129 | 265 } |
| 266 } else if (e.y > fTable.getBounds().height - fTable.getItemHeight() / 4) { | |
| 267 // Scroll down | |
| 268 int index= fTable.indexOf(item); | |
| 269 if (index < fTable.getItemCount() - 1) { | |
| 270 fLastItem= fTable.getItem(index + 1); | |
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271 fTable.setSelection([ fLastItem ]); |
| 129 | 272 } |
| 273 } | |
| 274 } | |
| 275 } | |
| 276 } | |
| 277 }); | |
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278 |
| 135 | 279 fTable.addSelectionListener(new class() SelectionAdapter { |
| 129 | 280 public void widgetSelected(SelectionEvent e) { |
| 281 openSelectedLink(); | |
| 282 } | |
| 283 }); | |
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284 |
| 135 | 285 fTable.addMouseListener(new class() MouseAdapter { |
| 129 | 286 public void mouseUp(MouseEvent e) { |
| 287 if (fTable.getSelectionCount() < 1) | |
| 288 return; | |
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289 |
| 129 | 290 if (e.button !is 1) |
| 291 return; | |
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292 |
| 162 | 293 if (fTable.opEquals(e.getSource())) { |
| 129 | 294 Object o= fTable.getItem(new Point(e.x, e.y)); |
| 295 TableItem selection= fTable.getSelection()[0]; | |
| 162 | 296 if (selection.opEquals(o)) |
| 129 | 297 openSelectedLink(); |
| 298 } | |
| 299 } | |
| 300 }); | |
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301 |
| 135 | 302 fTable.addKeyListener(new class() KeyAdapter { |
| 129 | 303 public void keyPressed(KeyEvent e) { |
| 304 if (e.keyCode is 0x0D) // return | |
| 305 openSelectedLink(); | |
| 306 } | |
| 307 }); | |
| 308 } | |
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309 |
| 129 | 310 /* |
| 311 * @see dwtx.jface.text.IInformationControlExtension#hasContents() | |
| 312 */ | |
| 313 public bool hasContents() { | |
| 314 return true; | |
| 315 } | |
| 316 | |
| 317 /** | |
| 318 * Opens the currently selected link. | |
| 319 */ | |
| 320 private void openSelectedLink() { | |
| 321 TableItem selection= fTable.getSelection()[0]; | |
| 134 | 322 IHyperlink link= cast(IHyperlink)selection.getData(); |
| 129 | 323 fManager.hideInformationControl(); |
| 324 link.open(); | |
| 325 } | |
| 326 } | |
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327 |
| 129 | 328 private class MultipleHyperlinkHover : ITextHover, ITextHoverExtension { |
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329 |
| 129 | 330 /** |
| 331 * @see dwtx.jface.text.ITextHover#getHoverInfo(dwtx.jface.text.ITextViewer, dwtx.jface.text.IRegion) | |
| 332 * @deprecated | |
| 333 */ | |
| 334 public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) { | |
| 335 return null; | |
| 336 } | |
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337 |
| 129 | 338 /* |
| 339 * @see dwtx.jface.text.ITextHover#getHoverRegion(dwtx.jface.text.ITextViewer, int) | |
| 340 */ | |
| 341 public IRegion getHoverRegion(ITextViewer textViewer, int offset) { | |
| 342 return fSubjectRegion; | |
| 343 } | |
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344 |
| 129 | 345 /* |
| 346 * @see dwtx.jface.text.ITextHoverExtension2#getHoverInfo2(dwtx.jface.text.ITextViewer, dwtx.jface.text.IRegion) | |
| 347 */ | |
| 348 public Object getHoverInfo2(ITextViewer textViewer, IRegion hoverRegion) { | |
| 162 | 349 return new ArrayWrapperObject( arraycast!(Object)(fHyperlinks)); |
| 129 | 350 } |
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351 |
| 129 | 352 /* |
| 353 * @see dwtx.jface.text.ITextHoverExtension#getHoverControlCreator() | |
| 354 */ | |
| 355 public IInformationControlCreator getHoverControlCreator() { | |
| 135 | 356 return new class() IInformationControlCreator { |
| 129 | 357 public IInformationControl createInformationControl(Shell parent) { |
| 358 Color foregroundColor= fTextViewer.getTextWidget().getForeground(); | |
| 359 Color backgroundColor= fTextViewer.getTextWidget().getBackground(); | |
| 360 return new LinkListInformationControl(parent, fManager, foregroundColor, backgroundColor); | |
| 361 } | |
| 362 }; | |
| 363 } | |
| 364 } | |
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365 |
| 129 | 366 private static class MultipleHyperlinkHoverManager : AbstractInformationControlManager , IWidgetTokenKeeper, IWidgetTokenKeeperExtension { |
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367 |
| 129 | 368 private class Closer : IInformationControlCloser, Listener, KeyListener { |
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369 |
| 129 | 370 private Control fSubjectControl; |
| 371 private Display fDisplay; | |
| 372 private IInformationControl fControl; | |
| 373 private Rectangle fSubjectArea; | |
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374 |
| 129 | 375 /* |
| 376 * @see dwtx.jface.text.AbstractInformationControlManager.IInformationControlCloser#setInformationControl(dwtx.jface.text.IInformationControl) | |
| 377 */ | |
| 378 public void setInformationControl(IInformationControl control) { | |
| 379 fControl= control; | |
| 380 } | |
|
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381 |
| 129 | 382 /* |
| 383 * @see dwtx.jface.text.AbstractInformationControlManager.IInformationControlCloser#setSubjectControl(dwt.widgets.Control) | |
| 384 */ | |
| 385 public void setSubjectControl(Control subject) { | |
| 386 fSubjectControl= subject; | |
| 387 } | |
|
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388 |
| 129 | 389 /* |
| 390 * @see dwtx.jface.text.AbstractInformationControlManager.IInformationControlCloser#start(dwt.graphics.Rectangle) | |
| 391 */ | |
| 392 public void start(Rectangle subjectArea) { | |
| 393 fSubjectArea= subjectArea; | |
|
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394 |
| 129 | 395 fDisplay= fSubjectControl.getDisplay(); |
| 396 if (!fDisplay.isDisposed()) { | |
| 397 fDisplay.addFilter(DWT.FocusOut, this); | |
| 398 fDisplay.addFilter(DWT.MouseMove, this); | |
| 399 fTextViewer.getTextWidget().addKeyListener(this); | |
| 400 } | |
| 401 } | |
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402 |
| 129 | 403 /* |
| 404 * @see dwtx.jface.text.AbstractInformationControlManager.IInformationControlCloser#stop() | |
| 405 */ | |
| 406 public void stop() { | |
| 407 if (fDisplay !is null && !fDisplay.isDisposed()) { | |
| 408 fDisplay.removeFilter(DWT.FocusOut, this); | |
| 409 fDisplay.removeFilter(DWT.MouseMove, this); | |
| 410 fTextViewer.getTextWidget().removeKeyListener(this); | |
| 411 } | |
|
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412 |
| 129 | 413 fSubjectArea= null; |
| 414 } | |
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415 |
| 129 | 416 /* |
| 417 * @see dwt.widgets.Listener#handleEvent(dwt.widgets.Event) | |
| 418 */ | |
| 419 public void handleEvent(Event event) { | |
| 420 switch (event.type) { | |
| 421 case DWT.FocusOut: | |
| 422 if (!fControl.isFocusControl()) | |
| 423 disposeInformationControl(); | |
| 424 break; | |
| 425 case DWT.MouseMove: | |
| 426 handleMouseMove(event); | |
| 427 break; | |
|
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428 default: |
| 129 | 429 } |
| 430 } | |
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431 |
| 129 | 432 /** |
| 433 * Handle mouse movement events. | |
|
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434 * |
| 129 | 435 * @param event the event |
| 436 */ | |
| 437 private void handleMouseMove(Event event) { | |
|
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438 if (!(cast(Control)event.widget )) |
| 129 | 439 return; |
|
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440 |
| 129 | 441 if (fControl.isFocusControl()) |
| 442 return; | |
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443 |
| 134 | 444 Control eventControl= cast(Control) event.widget; |
|
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445 |
| 129 | 446 //transform coordinates to subject control: |
| 447 Point mouseLoc= event.display.map(eventControl, fSubjectControl, event.x, event.y); | |
|
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448 |
| 129 | 449 if (fSubjectArea.contains(mouseLoc)) |
| 450 return; | |
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451 |
| 134 | 452 if (inKeepUpZone(mouseLoc.x, mouseLoc.y, (cast(IInformationControlExtension3) fControl).getBounds())) |
| 129 | 453 return; |
|
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454 |
| 129 | 455 hideInformationControl(); |
| 456 } | |
|
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457 |
| 129 | 458 /** |
| 459 * Tests whether a given mouse location is within the keep-up zone. | |
| 460 * The hover should not be hidden as long as the mouse stays inside this zone. | |
|
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461 * |
| 129 | 462 * @param x the x coordinate, relative to the <em>subject control</em> |
| 463 * @param y the y coordinate, relative to the <em>subject control</em> | |
| 464 * @param controlBounds the bounds of the current control | |
|
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465 * |
| 129 | 466 * @return <code>true</code> iff the mouse event occurred in the keep-up zone |
| 467 */ | |
| 468 private bool inKeepUpZone(int x, int y, Rectangle controlBounds) { | |
| 469 // +-----------+ | |
| 470 // |subjectArea| | |
| 471 // +-----------+ | |
| 472 // |also keepUp| | |
| 473 // ++-----------+-------+ | |
| 474 // | totalBounds | | |
| 475 // +--------------------+ | |
| 476 if (fSubjectArea.contains(x, y)) | |
| 477 return true; | |
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478 |
| 129 | 479 Rectangle iControlBounds= fSubjectControl.getDisplay().map(null, fSubjectControl, controlBounds); |
| 480 Rectangle totalBounds= Geometry.copy(iControlBounds); | |
| 481 if (totalBounds.contains(x, y)) | |
| 482 return true; | |
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483 |
| 129 | 484 int keepUpY= fSubjectArea.y + fSubjectArea.height; |
| 485 Rectangle alsoKeepUp= new Rectangle(fSubjectArea.x, keepUpY, fSubjectArea.width, totalBounds.y - keepUpY); | |
| 486 return alsoKeepUp.contains(x, y); | |
| 487 } | |
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488 |
| 129 | 489 /* |
| 490 * @see dwt.events.KeyListener#keyPressed(dwt.events.KeyEvent) | |
| 491 */ | |
| 492 public void keyPressed(KeyEvent e) { | |
| 493 } | |
|
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494 |
| 129 | 495 /* |
| 496 * @see dwt.events.KeyListener#keyReleased(dwt.events.KeyEvent) | |
| 497 */ | |
| 498 public void keyReleased(KeyEvent e) { | |
| 499 hideInformationControl(); | |
| 500 } | |
| 501 | |
| 502 } | |
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503 |
| 129 | 504 /** |
| 505 * Priority of the hover managed by this manager. | |
| 506 * Default value: One higher then for the hovers | |
| 507 * managed by TextViewerHoverManager. | |
| 508 */ | |
| 147 | 509 private static const int WIDGET_TOKEN_PRIORITY= 1; |
|
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510 |
| 146 | 511 private const MultipleHyperlinkHover fHover; |
| 512 private const ITextViewer fTextViewer; | |
| 513 private const MultipleHyperlinkPresenter fHyperlinkPresenter; | |
| 129 | 514 private Closer fCloser; |
| 515 private bool fIsControlVisible; | |
| 516 | |
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517 |
| 129 | 518 /** |
| 519 * Create a new MultipleHyperlinkHoverManager. The MHHM can show and hide | |
| 520 * the given MultipleHyperlinkHover inside the given ITextViewer. | |
|
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521 * |
| 129 | 522 * @param hover the hover to manage |
| 523 * @param viewer the viewer to show the hover in | |
| 524 * @param hyperlinkPresenter the hyperlink presenter using this manager to present hyperlinks | |
| 525 */ | |
|
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526 public this(MultipleHyperlinkHover hover, ITextViewer viewer, MultipleHyperlinkPresenter hyperlinkPresenter) { |
| 129 | 527 super(hover.getHoverControlCreator()); |
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528 |
| 129 | 529 fHover= hover; |
| 530 fTextViewer= viewer; | |
| 531 fHyperlinkPresenter= hyperlinkPresenter; | |
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532 |
| 129 | 533 fCloser= new Closer(); |
| 534 setCloser(fCloser); | |
| 535 fIsControlVisible= false; | |
| 536 } | |
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537 |
| 129 | 538 /* |
| 539 * @see dwtx.jface.text.AbstractInformationControlManager#computeInformation() | |
| 540 */ | |
| 541 protected void computeInformation() { | |
| 542 IRegion region= fHover.getHoverRegion(fTextViewer, -1); | |
| 543 if (region is null) { | |
| 162 | 544 setInformation(cast(Object)null, cast(Rectangle)null); |
| 129 | 545 return; |
| 546 } | |
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547 |
| 129 | 548 Rectangle area= JFaceTextUtil.computeArea(region, fTextViewer); |
| 549 if (area is null || area.isEmpty()) { | |
| 162 | 550 setInformation(cast(Object)null, cast(Rectangle)null); |
| 129 | 551 return; |
| 552 } | |
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553 |
| 129 | 554 Object information= fHover.getHoverInfo2(fTextViewer, region); |
| 555 setCustomInformationControlCreator(fHover.getHoverControlCreator()); | |
| 556 setInformation(information, area); | |
| 557 } | |
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558 |
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559 /* |
| 129 | 560 * @see dwtx.jface.text.AbstractInformationControlManager#computeInformationControlLocation(dwt.graphics.Rectangle, dwt.graphics.Point) |
| 561 */ | |
| 562 protected Point computeInformationControlLocation(Rectangle subjectArea, Point controlSize) { | |
| 563 Point result= super.computeInformationControlLocation(subjectArea, controlSize); | |
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564 |
| 129 | 565 Point cursorLocation= fTextViewer.getTextWidget().getDisplay().getCursorLocation(); |
| 566 if (cursorLocation.x <= result.x + controlSize.x) | |
| 567 return result; | |
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568 |
| 129 | 569 result.x= cursorLocation.x + 20 - controlSize.x; |
| 570 return result; | |
| 571 } | |
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572 |
| 129 | 573 /* |
| 574 * @see dwtx.jface.text.AbstractInformationControlManager#showInformationControl(dwt.graphics.Rectangle) | |
| 575 */ | |
| 576 protected void showInformationControl(Rectangle subjectArea) { | |
| 138 | 577 if ( cast(IWidgetTokenOwnerExtension)fTextViewer ) { |
| 134 | 578 if ((cast(IWidgetTokenOwnerExtension) fTextViewer).requestWidgetToken(this, WIDGET_TOKEN_PRIORITY)) |
| 129 | 579 super.showInformationControl(subjectArea); |
| 138 | 580 } else if ( cast(IWidgetTokenOwner)fTextViewer ) { |
| 134 | 581 if ((cast(IWidgetTokenOwner) fTextViewer).requestWidgetToken(this)) |
| 129 | 582 super.showInformationControl(subjectArea); |
| 583 } else { | |
| 584 super.showInformationControl(subjectArea); | |
| 585 } | |
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586 |
| 129 | 587 fIsControlVisible= true; |
| 588 } | |
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589 |
| 129 | 590 /* |
| 591 * @see dwtx.jface.text.AbstractInformationControlManager#hideInformationControl() | |
| 592 */ | |
| 593 protected void hideInformationControl() { | |
| 594 super.hideInformationControl(); | |
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595 |
| 138 | 596 if ( cast(IWidgetTokenOwner)fTextViewer ) { |
| 134 | 597 (cast(IWidgetTokenOwner) fTextViewer).releaseWidgetToken(this); |
| 129 | 598 } |
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599 |
| 129 | 600 fIsControlVisible= false; |
| 601 fHyperlinkPresenter.hideHyperlinks(); | |
| 602 } | |
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603 |
| 129 | 604 /* |
| 605 * @see dwtx.jface.text.AbstractInformationControlManager#disposeInformationControl() | |
| 606 */ | |
| 607 public void disposeInformationControl() { | |
| 608 super.disposeInformationControl(); | |
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609 |
| 138 | 610 if ( cast(IWidgetTokenOwner)fTextViewer ) { |
| 134 | 611 (cast(IWidgetTokenOwner) fTextViewer).releaseWidgetToken(this); |
| 129 | 612 } |
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613 |
| 129 | 614 fIsControlVisible= false; |
| 615 fHyperlinkPresenter.hideHyperlinks(); | |
| 616 } | |
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617 |
| 129 | 618 /* |
| 619 * @see dwtx.jface.text.IWidgetTokenKeeper#requestWidgetToken(dwtx.jface.text.IWidgetTokenOwner) | |
| 620 */ | |
| 621 public bool requestWidgetToken(IWidgetTokenOwner owner) { | |
| 622 hideInformationControl(); | |
| 623 return true; | |
| 624 } | |
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625 |
| 129 | 626 /* |
| 627 * @see dwtx.jface.text.IWidgetTokenKeeperExtension#requestWidgetToken(dwtx.jface.text.IWidgetTokenOwner, int) | |
| 628 */ | |
| 629 public bool requestWidgetToken(IWidgetTokenOwner owner, int priority) { | |
| 630 if (priority < WIDGET_TOKEN_PRIORITY) | |
| 631 return false; | |
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632 |
| 129 | 633 hideInformationControl(); |
| 634 return true; | |
| 635 } | |
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636 |
| 129 | 637 /* |
| 638 * @see dwtx.jface.text.IWidgetTokenKeeperExtension#setFocus(dwtx.jface.text.IWidgetTokenOwner) | |
| 639 */ | |
| 640 public bool setFocus(IWidgetTokenOwner owner) { | |
| 641 return false; | |
| 642 } | |
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643 |
| 129 | 644 /** |
| 645 * Returns <code>true</code> if the information control managed by | |
| 646 * this manager is visible, <code>false</code> otherwise. | |
|
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647 * |
| 129 | 648 * @return <code>true</code> if information control is visible |
| 649 */ | |
| 650 public bool isInformationControlVisible() { | |
| 651 return fIsControlVisible; | |
| 652 } | |
| 653 } | |
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654 |
| 129 | 655 private ITextViewer fTextViewer; |
|
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656 |
| 129 | 657 private IHyperlink[] fHyperlinks; |
| 658 private Region fSubjectRegion; | |
| 659 private MultipleHyperlinkHoverManager fManager; | |
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660 |
| 129 | 661 /** |
| 662 * Creates a new multiple hyperlink presenter which uses | |
| 663 * {@link #HYPERLINK_COLOR} to read the color from the given preference store. | |
| 664 * | |
| 665 * @param store the preference store | |
| 666 */ | |
|
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667 public this(IPreferenceStore store) { |
| 129 | 668 super(store); |
| 669 } | |
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670 |
| 129 | 671 /** |
| 672 * Creates a new multiple hyperlink presenter. | |
| 673 * | |
| 674 * @param color the hyperlink color, to be disposed by the caller | |
| 675 */ | |
|
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676 public this(RGB color) { |
| 129 | 677 super(color); |
| 678 } | |
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679 |
| 129 | 680 /* |
| 681 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#install(dwtx.jface.text.ITextViewer) | |
| 682 */ | |
| 683 public void install(ITextViewer viewer) { | |
| 684 super.install(viewer); | |
| 685 fTextViewer= viewer; | |
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686 |
| 129 | 687 fManager= new MultipleHyperlinkHoverManager(new MultipleHyperlinkHover(), fTextViewer, this); |
| 688 fManager.install(viewer.getTextWidget()); | |
| 689 fManager.setSizeConstraints(100, 12, false, true); | |
| 690 } | |
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691 |
| 129 | 692 /* |
| 693 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#uninstall() | |
| 694 */ | |
| 695 public void uninstall() { | |
| 696 super.uninstall(); | |
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697 |
| 129 | 698 if (fTextViewer !is null) { |
| 699 fManager.dispose(); | |
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700 |
| 129 | 701 fTextViewer= null; |
| 702 } | |
| 703 } | |
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704 |
| 129 | 705 /* |
| 706 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#canShowMultipleHyperlinks() | |
| 707 */ | |
| 708 public bool canShowMultipleHyperlinks() { | |
| 709 return true; | |
| 710 } | |
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711 |
| 129 | 712 /* |
| 713 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#canHideHyperlinks() | |
| 714 */ | |
| 715 public bool canHideHyperlinks() { | |
| 716 return !fManager.isInformationControlVisible(); | |
| 717 } | |
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718 |
| 129 | 719 /* |
| 720 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#hideHyperlinks() | |
| 721 */ | |
| 722 public void hideHyperlinks() { | |
| 723 super.hideHyperlinks(); | |
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|
724 |
| 129 | 725 fHyperlinks= null; |
| 726 } | |
|
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727 |
| 129 | 728 /* |
| 729 * @see dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter#showHyperlinks(dwtx.jface.text.hyperlink.IHyperlink[]) | |
| 730 */ | |
| 731 public void showHyperlinks(IHyperlink[] hyperlinks) { | |
|
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|
732 super.showHyperlinks([ hyperlinks[0] ]); |
| 129 | 733 |
| 734 fSubjectRegion= null; | |
| 735 fHyperlinks= hyperlinks; | |
|
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736 |
| 129 | 737 if (hyperlinks.length is 1) |
| 738 return; | |
|
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739 |
| 129 | 740 int start= hyperlinks[0].getHyperlinkRegion().getOffset(); |
| 741 int end= start + hyperlinks[0].getHyperlinkRegion().getLength(); | |
|
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742 |
| 129 | 743 for (int i= 1; i < hyperlinks.length; i++) { |
| 744 int hstart= hyperlinks[i].getHyperlinkRegion().getOffset(); | |
| 745 int hend= hstart + hyperlinks[i].getHyperlinkRegion().getLength(); | |
|
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746 |
| 129 | 747 start= Math.min(start, hstart); |
| 748 end= Math.max(end, hend); | |
| 749 } | |
|
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|
750 |
| 129 | 751 fSubjectRegion= new Region(start, end - start); |
|
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752 |
| 129 | 753 fManager.showInformation(); |
| 754 } | |
| 755 } |