Source Code Cross Referenced for ProgressRegion.java in  » IDE-Eclipse » ui-workbench » org » eclipse » ui » internal » progress » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Eclipse » ui workbench » org.eclipse.ui.internal.progress 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * Copyright (c) 2004, 2006 IBM Corporation and others.
003:         * All rights reserved. This program and the accompanying materials
004:         * are made available under the terms of the Eclipse Public License v1.0
005:         * which accompanies this distribution, and is available at
006:         * http://www.eclipse.org/legal/epl-v10.html
007:         *
008:         * Contributors:
009:         * IBM - Initial API and implementation
010:         *******************************************************************************/package org.eclipse.ui.internal.progress;
011:
012:        import org.eclipse.jface.viewers.IContentProvider;
013:        import org.eclipse.swt.SWT;
014:        import org.eclipse.swt.events.MouseAdapter;
015:        import org.eclipse.swt.events.MouseEvent;
016:        import org.eclipse.swt.graphics.GC;
017:        import org.eclipse.swt.graphics.Point;
018:        import org.eclipse.swt.layout.GridData;
019:        import org.eclipse.swt.layout.GridLayout;
020:        import org.eclipse.swt.widgets.Composite;
021:        import org.eclipse.swt.widgets.Control;
022:        import org.eclipse.ui.internal.TrimUtil;
023:        import org.eclipse.ui.internal.WorkbenchMessages;
024:        import org.eclipse.ui.internal.WorkbenchWindow;
025:        import org.eclipse.ui.internal.layout.IWindowTrim;
026:
027:        /**
028:         * The ProgressRegion is class for the region of the workbench where the
029:         * progress line and the animation item are shown.
030:         */
031:        public class ProgressRegion implements  IWindowTrim {
032:            ProgressCanvasViewer viewer;
033:
034:            ProgressAnimationItem animationItem;
035:
036:            Composite region;
037:
038:            WorkbenchWindow workbenchWindow;
039:
040:            private int fWidthHint = SWT.DEFAULT;
041:
042:            private int fHeightHint = SWT.DEFAULT;
043:
044:            /**
045:             * the side the receiver is placed on
046:             */
047:            private int side = SWT.BOTTOM;
048:
049:            private boolean forceHorizontal;
050:
051:            /**
052:             * Create a new instance of the receiver.
053:             */
054:            public ProgressRegion() {
055:                //No default behavior.
056:            }
057:
058:            /**
059:             * Create the contents of the receiver in the parent. Use the window for the
060:             * animation item.
061:             * 
062:             * @param parent
063:             *            The parent widget of the composite.
064:             * @param window
065:             *            The WorkbenchWindow this is in.
066:             * @return Control
067:             */
068:            public Control createContents(Composite parent,
069:                    WorkbenchWindow window) {
070:                workbenchWindow = window;
071:
072:                // Test whether or not 'advanced' graphics are available
073:                // If not then we'll 'force' the ProgressBar to always be
074:                // HORIZONTAL...
075:                //TODO: This should likely be at some 'global' level state
076:                GC gc = new GC(parent);
077:                gc.setAdvanced(true);
078:                forceHorizontal = !gc.getAdvanced();
079:                gc.dispose();
080:
081:                region = new Composite(parent, SWT.NONE) {
082:                    /*
083:                     * (non-Javadoc)
084:                     * 
085:                     * @see org.eclipse.swt.widgets.Composite#computeSize(int, int,
086:                     *      boolean)
087:                     */
088:                    public Point computeSize(int wHint, int hHint,
089:                            boolean changed) {
090:                        Point size = super .computeSize(wHint, hHint, changed);
091:                        if (isHorizontal(side))
092:                            size.y = TrimUtil.TRIM_DEFAULT_HEIGHT;
093:                        else {
094:                            size.x = TrimUtil.TRIM_DEFAULT_HEIGHT;
095:                        }
096:                        return size;
097:                    }
098:                };
099:
100:                GridLayout gl = new GridLayout();
101:                gl.marginHeight = 0;
102:                gl.marginWidth = 0;
103:                if (isHorizontal(side))
104:                    gl.numColumns = 3;
105:                region.setLayout(gl);
106:
107:                viewer = new ProgressCanvasViewer(region, SWT.NO_FOCUS, 1, 36,
108:                        isHorizontal(side) ? SWT.HORIZONTAL : SWT.VERTICAL);
109:                viewer.setUseHashlookup(true);
110:                Control viewerControl = viewer.getControl();
111:                GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
112:                Point viewerSizeHints = viewer.getSizeHints();
113:                if (isHorizontal(side)) {
114:                    gd.widthHint = viewerSizeHints.x;
115:                    gd.heightHint = viewerSizeHints.y;
116:                } else {
117:                    gd.widthHint = viewerSizeHints.y;
118:                    gd.heightHint = viewerSizeHints.x;
119:                }
120:                viewerControl.setLayoutData(gd);
121:
122:                int widthPreference = AnimationManager.getInstance()
123:                        .getPreferredWidth() + 25;
124:                animationItem = new ProgressAnimationItem(this ,
125:                        isHorizontal(side) ? SWT.HORIZONTAL : SWT.VERTICAL);
126:                animationItem.createControl(region);
127:
128:                animationItem
129:                        .setAnimationContainer(new AnimationItem.IAnimationContainer() {
130:                            /* (non-Javadoc)
131:                             * @see org.eclipse.ui.internal.progress.AnimationItem.IAnimationContainer#animationDone()
132:                             */
133:                            public void animationDone() {
134:                                //Add an extra refresh to the viewer in case
135:                                //of stale input if the controls are not disposed
136:                                if (viewer.getControl().isDisposed()) {
137:                                    return;
138:                                }
139:                                viewer.refresh();
140:                            }
141:
142:                            /* (non-Javadoc)
143:                             * @see org.eclipse.ui.internal.progress.AnimationItem.IAnimationContainer#animationStart()
144:                             */
145:                            public void animationStart() {
146:                                // Nothing by default here.
147:
148:                            }
149:                        });
150:                if (isHorizontal(side)) {
151:                    gd = new GridData(GridData.FILL_VERTICAL);
152:                    gd.widthHint = widthPreference;
153:                } else {
154:                    gd = new GridData(GridData.FILL_HORIZONTAL);
155:                    gd.heightHint = widthPreference;
156:                }
157:
158:                animationItem.getControl().setLayoutData(gd);
159:
160:                viewerControl.addMouseListener(new MouseAdapter() {
161:                    /*
162:                     * (non-Javadoc)
163:                     * 
164:                     * @see org.eclipse.swt.events.MouseAdapter#mouseDoubleClick(org.eclipse.swt.events.MouseEvent)
165:                     */
166:                    public void mouseDoubleClick(MouseEvent e) {
167:                        processDoubleClick();
168:                    }
169:                });
170:
171:                //Never show debug info
172:                IContentProvider provider = new ProgressViewerContentProvider(
173:                        viewer, false, false);
174:                viewer.setContentProvider(provider);
175:                viewer.setInput(provider);
176:                viewer.setLabelProvider(new ProgressViewerLabelProvider(
177:                        viewerControl));
178:                viewer.setComparator(ProgressManagerUtil
179:                        .getProgressViewerComparator());
180:                return region;
181:            }
182:
183:            /**
184:             * Return the animationItem for the receiver.
185:             * 
186:             * @return AnimationItem
187:             */
188:            public AnimationItem getAnimationItem() {
189:                return animationItem;
190:            }
191:
192:            /**
193:             * Return the control for the receiver.
194:             * 
195:             * @return Control
196:             */
197:            public Control getControl() {
198:                return region;
199:            }
200:
201:            /**
202:             * Process the double click event.
203:             */
204:            public void processDoubleClick() {
205:                ProgressManagerUtil.openProgressView(workbenchWindow);
206:            }
207:
208:            /* (non-Javadoc)
209:             * @see org.eclipse.ui.internal.IWindowTrim#dock(int)
210:             */
211:            public void dock(int dropSide) {
212:                int oldSide = side;
213:                side = dropSide;
214:                if (oldSide == dropSide
215:                        || (isVertical(oldSide) && isVertical(dropSide))
216:                        || (isHorizontal(oldSide) && isHorizontal(dropSide)))
217:                    return;
218:                recreate();
219:
220:            }
221:
222:            /**
223:             * Answer true if the side is a horizonal one
224:             * 
225:             * @param dropSide
226:             * @return <code>true</code> if the side is horizontal
227:             */
228:            private boolean isHorizontal(int dropSide) {
229:                if (forceHorizontal)
230:                    return true;
231:                return dropSide == SWT.TOP || dropSide == SWT.BOTTOM;
232:            }
233:
234:            /**
235:             * Answer true if the side is a horizonal one
236:             * 
237:             * @param dropSide
238:             * @return <code>true</code> if the side is horizontal
239:             */
240:            private boolean isVertical(int dropSide) {
241:                if (forceHorizontal)
242:                    return false;
243:                return dropSide == SWT.LEFT || dropSide == SWT.RIGHT;
244:            }
245:
246:            /**
247:             * Recreate the receiver given the new side
248:             */
249:            private void recreate() {
250:                if (region != null && !region.isDisposed()) {
251:                    Composite parent = region.getParent();
252:                    boolean animating = animationItem.animationRunning();
253:                    AnimationManager.getInstance().removeItem(animationItem);
254:                    region.dispose();
255:                    createContents(parent, workbenchWindow);
256:                    if (animating)
257:                        animationItem.animationStart();
258:                }
259:            }
260:
261:            /* (non-Javadoc)
262:             * @see org.eclipse.ui.internal.IWindowTrim#getId()
263:             */
264:            public String getId() {
265:                return "org.eclipse.ui.internal.progress.ProgressRegion"; //$NON-NLS-1$
266:            }
267:
268:            public String getDisplayName() {
269:                return WorkbenchMessages.TrimCommon_Progress_TrimName;
270:            }
271:
272:            /* (non-Javadoc)
273:             * @see org.eclipse.ui.internal.IWindowTrim#getValidSides()
274:             */
275:            public int getValidSides() {
276:                return SWT.BOTTOM | SWT.TOP | SWT.LEFT | SWT.RIGHT;
277:            }
278:
279:            /* (non-Javadoc)
280:             * @see org.eclipse.ui.internal.IWindowTrim#isCloseable()
281:             */
282:            public boolean isCloseable() {
283:                return false;
284:            }
285:
286:            /* (non-Javadoc)
287:             * @see org.eclipse.ui.internal.IWindowTrim#handleClose()
288:             */
289:            public void handleClose() {
290:                // nothing to do...
291:            }
292:
293:            /*
294:             * (non-Javadoc)
295:             * 
296:             * @see org.eclipse.ui.IWindowTrim#getWidthHint()
297:             */
298:            public int getWidthHint() {
299:                return fWidthHint;
300:            }
301:
302:            /**
303:             * Update the width hint for this control.
304:             * @param w pixels, or SWT.DEFAULT
305:             */
306:            public void setWidthHint(int w) {
307:                fWidthHint = w;
308:            }
309:
310:            /*
311:             * (non-Javadoc)
312:             * 
313:             * @see org.eclipse.ui.IWindowTrim#getHeightHint()
314:             */
315:            public int getHeightHint() {
316:                return fHeightHint;
317:            }
318:
319:            /**
320:             * Update the height hint for this control.
321:             * @param h pixels, or SWT.DEFAULT
322:             */
323:            public void setHeightHint(int h) {
324:                fHeightHint = h;
325:            }
326:
327:            /* (non-Javadoc)
328:             * @see org.eclipse.ui.IWindowTrim#isResizeable()
329:             */
330:            public boolean isResizeable() {
331:                return false;
332:            }
333:        }
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