/** * Paints the preview title at the given position (and returns the required height) * * @param gc the graphics context to paint into * @param x the left edge of the preview rectangle * @param y the top edge of the preview rectangle * @param displayName the title string to be used */ int paintTitle(GC gc, int x, int y, boolean showFile, String displayName) { int titleHeight = 0; if (showFile && mIncludedWithin != null) { if (mManager.getMode() != INCLUDES) { displayName = "<include>"; } else { // Skip: just paint footer instead displayName = null; } } int width = getWidth(); int labelTop = y + 1; gc.setClipping(x, labelTop, width, 100); // Use font height rather than extent height since we want two adjacent // previews (which may have different display names and therefore end // up with slightly different extent heights) to have identical title // heights such that they are aligned identically int fontHeight = gc.getFontMetrics().getHeight(); if (displayName != null && displayName.length() > 0) { gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE)); Point extent = gc.textExtent(displayName); int labelLeft = Math.max(x, x + (width - extent.x) / 2); Image icon = null; Locale locale = mConfiguration.getLocale(); if (locale != null && (locale.hasLanguage() || locale.hasRegion()) && (!(mConfiguration instanceof NestedConfiguration) || ((NestedConfiguration) mConfiguration).isOverridingLocale())) { icon = locale.getFlagImage(); } if (icon != null) { int flagWidth = icon.getImageData().width; int flagHeight = icon.getImageData().height; labelLeft = Math.max(x + flagWidth / 2, labelLeft); gc.drawImage(icon, labelLeft - flagWidth / 2 - 1, labelTop); labelLeft += flagWidth / 2 + 1; gc.drawText(displayName, labelLeft, labelTop - (extent.y - flagHeight) / 2, true); } else { gc.drawText(displayName, labelLeft, labelTop, true); } labelTop += extent.y; titleHeight += fontHeight; } if (showFile && (mAlternateInput != null || mIncludedWithin != null)) { // Draw file flag, and parent folder name IFile file = mAlternateInput != null ? mAlternateInput : mIncludedWithin.getFile(); String fileName = file.getParent().getName() + File.separator + file.getName(); Point extent = gc.textExtent(fileName); Image icon = IconFactory.getInstance().getIcon("android_file"); // $NON-NLS-1$ int flagWidth = icon.getImageData().width; int flagHeight = icon.getImageData().height; int labelLeft = Math.max(x, x + (width - extent.x - flagWidth - 1) / 2); gc.drawImage(icon, labelLeft, labelTop); gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_GRAY)); labelLeft += flagWidth + 1; labelTop -= (extent.y - flagHeight) / 2; gc.drawText(fileName, labelLeft, labelTop, true); titleHeight += Math.max(titleHeight, icon.getImageData().height); } gc.setClipping((Region) null); return titleHeight; }
/** * Notifies that the preview's configuration has changed. * * @param flags the change flags, a bitmask corresponding to the {@code CHANGE_} constants in * {@link ConfigurationClient} */ public void configurationChanged(int flags) { if (!mVisible) { mDirty |= flags; return; } if ((flags & MASK_RENDERING) != 0) { mResourceResolver.clear(); // Handle inheritance mConfiguration.syncFolderConfig(); updateForkStatus(); updateSize(); } // Sanity check to make sure things are working correctly if (DEBUG) { RenderPreviewMode mode = mManager.getMode(); if (mode == DEFAULT) { assert mConfiguration instanceof VaryingConfiguration; VaryingConfiguration config = (VaryingConfiguration) mConfiguration; int alternateFlags = config.getAlternateFlags(); switch (alternateFlags) { case Configuration.CFG_DEVICE_STATE: { State configState = config.getDeviceState(); State chooserState = mManager.getChooser().getConfiguration().getDeviceState(); assert configState != null && chooserState != null; assert !configState.getName().equals(chooserState.getName()) : configState.toString() + ':' + chooserState; Device configDevice = config.getDevice(); Device chooserDevice = mManager.getChooser().getConfiguration().getDevice(); assert configDevice != null && chooserDevice != null; assert configDevice == chooserDevice : configDevice.toString() + ':' + chooserDevice; break; } case Configuration.CFG_DEVICE: { Device configDevice = config.getDevice(); Device chooserDevice = mManager.getChooser().getConfiguration().getDevice(); assert configDevice != null && chooserDevice != null; assert configDevice != chooserDevice : configDevice.toString() + ':' + chooserDevice; State configState = config.getDeviceState(); State chooserState = mManager.getChooser().getConfiguration().getDeviceState(); assert configState != null && chooserState != null; assert configState.getName().equals(chooserState.getName()) : configState.toString() + ':' + chooserState; break; } case Configuration.CFG_LOCALE: { Locale configLocale = config.getLocale(); Locale chooserLocale = mManager.getChooser().getConfiguration().getLocale(); assert configLocale != null && chooserLocale != null; assert configLocale != chooserLocale : configLocale.toString() + ':' + chooserLocale; break; } default: { // Some other type of override I didn't anticipate assert false : alternateFlags; } } } } mDirty = 0; mManager.scheduleRender(this); }