Java GalleryItem类代码示例

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
public List<TrpPage> getSelection() {
	List<TrpPage> sList = new LinkedList<>();
	if (gallery.getSelectionCount() < 1) {
		return sList;
	}
	
	GalleryItem[] selection = gallery.getSelection();
	for(GalleryItem item : selection) {
		final int index = gallery.indexOf(item);
		
		TrpPage p = doc.getPages().get(index);
		sList.add(p);
	}
	
	return sList;
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
private void createGalleryItems(){
		//add text
		
		if(group.getItemCount() > 0){
			return;
		}

		for (int i=0; i<urls.size(); ++i) {
			final GalleryItem item = new GalleryItem(group, SWT.MULTI);
//			item.setText(0, "String 0\nString2");
//			item.setText(1, "String 1");
			item.setExpanded(true);
			
			item.setImage(Images.LOADING_IMG);
			item.setData("doNotScaleImage", new Object());
			
			String transcribedLinesText = determineItemColor(item, transcripts.get(i));

			setItemText(item, i, transcribedLinesText);
			
		}
	}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
public void createGalleryItems(){
		//add text
		
		if(group.getItemCount() > 0){
			return;
		}

		for (int i=0; i<urls.size(); ++i) {
			final GalleryItem item = new GalleryItem(group, SWT.MULTI);
//			item.setText(0, "String 0\nString2");
//			item.setText(1, "String 1");
			item.setExpanded(true);
			
			item.setImage(Images.LOADING_IMG);
			item.setData("doNotScaleImage", new Object());
			
			String transcribedLinesText = thumbsWidget.determineItemColor(item, transcripts.get(i));
			
			totalLinesTranscribed += transcripts.get(i).getNrOfTranscribedLines();
			
			setItemText(item, i, transcribedLinesText);
			
		}
	}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
protected Item[] getSelection(Control control) {
	Item[] selection = ((Gallery) control).getSelection();
	if (selection == null) {
		return new GalleryItem[0];
	}

	List<Item> notDisposed = new ArrayList<Item>(selection.length);
	for (int i = 0; i < selection.length; i++) {
		if (!selection[i].isDisposed()) {
			notDisposed.add(selection[i]);
		} else {
			System.out.println("GalleryItem was disposed (ignoring)");
		}
	}
	selection = (GalleryItem[]) notDisposed.toArray(new GalleryItem[notDisposed.size()]);

	return selection;
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
/**
 * For a GalleryViewer with a gallery with the VIRTUAL style bit set, set the number of children of the given element
 * or tree path. To set the number of children of the invisible root of the gallery, you can pass the input object or
 * an empty tree path.
 * 
 * @param elementOrTreePath
 *          the element, or tree path
 * @param count
 * 
 * @since 3.2
 */
public void setChildCount(final Object elementOrTreePath, final int count) {
	// if (isBusy())
	// return;
	preservingSelection(new Runnable() {
		public void run() {
			if (internalIsInputOrEmptyPath(elementOrTreePath)) {
				getGallery().setItemCount(count);
				return;
			}
			Widget[] items = internalFindItems(elementOrTreePath);
			for (int i = 0; i < items.length; i++) {
				GalleryItem galleryItem = (GalleryItem) items[i];
				galleryItem.setItemCount(count);
			}
		}
	});
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
public void editElement(Object element, int column) {
	if (element instanceof TreePath) {
		setSelection(new TreeSelection((TreePath) element));
		GalleryItem[] items = gallery.getSelection();

		if (items.length == 1) {
			ViewerRow row = getViewerRowFromItem(items[0]);

			if (row != null) {
				ViewerCell cell = row.getCell(column);
				if (cell != null) {
					getControl().setRedraw(false);
					triggerEditorActivationEvent(new ColumnViewerEditorActivationEvent(cell));
					getControl().setRedraw(true);
				}
			}
		}
	} else {
		super.editElement(element, column);
	}
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
/**
 * Customizes a {@link GalleryItem} in order to enrich with a "standard" image plus a "selected" image with a custom
 * shadow.
 * <p>
 * 
 * Cache maps are used for performance purposes.
 * 
 * @param item
 *          the gallery item to modify
 * @param pluginID
 *          the ID of the plugin, where the image is located
 * @param imagePath
 *          the plugin-relative path of the image
 * @param selectedImagesCache
 *          a cache of selected images
 * @param standardImagesCache
 *          a cache of standard images
 */
public static void setGallyeryItemImageInfo(GalleryItem item, String pluginID, String imagePath,
		Map<String, Image> selectedImagesCache, Map<String, Image> standardImagesCache) {
	Image selectedImg = selectedImagesCache.get(imagePath);
	Image standardImg = standardImagesCache.get(imagePath);
	if (selectedImg == null || standardImg == null) {
		Image itemImage = ResourceManager.getPluginImage(pluginID, imagePath);
		// Add viewer required effects to the images shown...
		selectedImg = new Image(itemImage.getDevice(), SWTImageEffects.extendArea(itemImage.getImageData(), 20, null));
		standardImg = new Image(itemImage.getDevice(), Glow.glow(itemImage.getImageData(),
				ResourceManager.getColor(SWT.COLOR_GRAY), 20, 0, 255));
		// Cache images
		standardImagesCache.put(imagePath, standardImg);
		selectedImagesCache.put(imagePath, selectedImg);
	}
	item.setSelectedImage(selectedImg);
	item.setStandardImage(standardImg);
	item.setImage(standardImg);
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
/**
 * Store inside the wizard settings the user selection.
 */
public void storeSettings() {
	Gallery gal = (Gallery) layout.topControl;
	if (getSettings() == null)
		return;
	if (gal == null)
		return;

	GalleryItem[] selection = gal.getSelection();

	if (selection != null && selection.length > 0) {

		selectedTemplate = (TemplateBundle) selection[0].getData("template"); //$NON-NLS-1$
		getSettings().put("template", selectedTemplate); //$NON-NLS-1$
	} else {
		getSettings().remove("template"); //$NON-NLS-1$
		selectedTemplate = null;
	}
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
private void handleItemBackground(final GalleryItem inItem) {
	if (previousItem == null) {
		// old item is null
		if (inItem == null) {
			return;
		} else {
			// new item not null
			previousItem = inItem;
			bgColor = changeBGColor(COLOR_BACK_DRAG_OVER, previousItem);
		}
	} else {
		// old item not null
		if (previousItem.equals(inItem)) {
			return;
		} else {
			previousItem.setBackground(bgColor);
			changeBGColor(bgColor, previousItem);
			previousItem = inItem;
			if (inItem != null) {
				// new item not null
				bgColor = changeBGColor(COLOR_BACK_DRAG_OVER, previousItem);
			}
		}
	}
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
@Override
public void mouseDown(final MouseEvent inEvent) {
	final GalleryItem lItem = gallery.getItem(new Point(inEvent.x, inEvent.y));
	if (inEvent.button == 3) {
		if (lItem == null) {
			BrowserPopupStateController.setState(State.DISABLED, application);
			return;
		} else {
			callback.focusRequest(FinderPane.this);
		}
	}
	// we ensure a proper item is selected
	if (lItem != null) {
		handleSelection(lItem);
	} else {
		if (lastSelected != null) {
			handleSelection(lastSelected);
		}
	}
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
public DocumentSelectionDescriptor getSelectionDescriptor() {
	if (gallery.getSelectionCount() < 1) {
		return null;
	}
	DocumentSelectionDescriptor dsd = new DocumentSelectionDescriptor();
	dsd.setDocId(doc.getId());
	GalleryItem[] selection = gallery.getSelection();
	for(GalleryItem item : selection) {
		final int index = gallery.indexOf(item);
		
		TrpPage p = doc.getPages().get(index);
		
		PageDescriptor pd = new PageDescriptor();
		pd.setPageId(p.getPageId());
		//TODO determine which transcript should be chosen
		if(useGtVersions) {
			int tsId = p.getCurrentTranscript().getTsId();
			for(TrpTranscriptMetadata tmd : p.getTranscripts()) {
				if(tmd.getStatus().equals(EditStatus.GT)) {
					tsId = tmd.getTsId();
					break;
				}
			}
			pd.setTsId(tsId);
		} else {
			pd.setTsId(p.getCurrentTranscript().getTsId());
		}
		dsd.getPages().add(pd);
	}
	return dsd;
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
private void disposeOldData() {
		// dispose images:
//		for (ThmbImg th : thumbs) {
//			th.dispose();
//		}
//		thumbs.clear();
		// dispose gallery items:
		for (GalleryItem item : group.getItems()) {
			if (item != null) {
				item.clear();
				item.dispose();
			}
		}
	}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
public String determineItemColor(GalleryItem item, TrpTranscriptMetadata trpTranscriptMetadata) {
		
		String transcribedLinesText = "";

		int transcribedLines = trpTranscriptMetadata.getNrOfTranscribedLines();
		int segmentedLines = trpTranscriptMetadata.getNrOfLines();
		
//		logger.debug("segmentedLines: " + segmentedLines);
//		logger.debug("transcribedLines: " + transcribedLines);
		
		if (segmentedLines == 0){
			transcribedLinesText = "\nNo lines segmented";
		}
		else{
			transcribedLinesText = (transcribedLines > 0 ? "\nTranscribed lines: "+transcribedLines : "\nTranscribed lines: 0");
		}
		
		if (transcribedLines > 0){
			totalLinesTranscribed += transcribedLines;

			item.setBackground(lightGreen);
		}
		else if(transcribedLines == 0 && segmentedLines > 0){
			item.setBackground(lightYellow);
		}
		else{
			item.setBackground(lightRed);
		}

		return transcribedLinesText;
	}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
private void disposeOldData() {
	// dispose images:
	for (ThmbImg th : thumbs) {
		th.dispose();
	}
	thumbs.clear();
	// dispose galler items:
	for (GalleryItem item : group.getItems() ) {
		item.clear();
		item.dispose();
	}
}
 

import org.eclipse.nebula.widgets.gallery.GalleryItem; //导入依赖的package包/类
private String getPagesString() {
	String pages = "";
	if (gallery.getSelectionCount() > 0) {
		for(GalleryItem si : gallery.getSelection()){
			int selectedPageNr = gallery.indexOf(si) + 1;
			String tmp = Integer.toString(selectedPageNr);
			pages += (pages.equals("")? tmp : ",".concat(tmp));
		}			
	}
	//logger.debug("pages String " + pages);
	return pages;
}