diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/ui/ResourcePreviewHelper.java')
| -rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/ui/ResourcePreviewHelper.java | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/ui/ResourcePreviewHelper.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/ui/ResourcePreviewHelper.java deleted file mode 100644 index afd1df92d..000000000 --- a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/ui/ResourcePreviewHelper.java +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed under the Eclipse Public License, Version 1.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.eclipse.org/org/documents/epl-v10.php - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package com.android.ide.eclipse.adt.internal.ui; - -import static com.android.SdkConstants.DOT_9PNG; -import static com.android.utils.SdkUtils.endsWithIgnoreCase; - -import com.android.ide.common.rendering.api.ResourceValue; -import com.android.ide.common.resources.ResourceResolver; -import com.android.ide.eclipse.adt.AdtPlugin; -import com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart; -import com.android.ide.eclipse.adt.internal.editors.layout.gle2.ImageControl; -import com.android.ide.eclipse.adt.internal.editors.layout.gle2.ImageUtils; -import com.android.ide.eclipse.adt.internal.editors.layout.gle2.RenderService; -import com.android.ide.eclipse.adt.internal.editors.layout.gle2.SwtUtils; -import com.android.ide.eclipse.adt.internal.resources.ResourceHelper; -import com.android.resources.ResourceType; - -import org.eclipse.core.runtime.IStatus; -import org.eclipse.jface.dialogs.DialogTray; -import org.eclipse.jface.dialogs.TrayDialog; -import org.eclipse.swt.SWT; -import org.eclipse.swt.graphics.RGB; -import org.eclipse.swt.layout.GridData; -import org.eclipse.swt.layout.GridLayout; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Display; -import org.eclipse.swt.widgets.Label; - -import java.awt.image.BufferedImage; -import java.io.File; -import java.io.IOException; - -import javax.imageio.ImageIO; - -/** - * The {@link ResourcePreviewHelper} provides help to {@link TrayDialog} resource choosers - * where some resources (such as drawables and colors) are previewed in the tray area. - */ -public class ResourcePreviewHelper { - /** - * The width of the preview rendering - * <p> - * TODO: Make the preview rendering resize if the tray area is resized - */ - private static final int WIDTH = 100; - /** The height of the preview rendering */ - private static final int HEIGHT = 100; - - private final GraphicalEditorPart mEditor; - private final TrayDialog mTrayDialog; - - private boolean mShowingPreview; - private DialogTray mPreviewTray; - private ImageControl mPreviewImageControl; - - /** - * Constructs a new {@link ResourcePreviewHelper}. - * <p> - * TODO: Add support for performing previews without an associated graphical editor, - * such as previewing icons from the manifest form editor; just pick default - * configuration settings in that case. - * - * @param trayDialog the associated tray-capable dialog - * @param editor a graphical editor. This is currently needed in order to provide - * configuration data for the rendering. - */ - public ResourcePreviewHelper(TrayDialog trayDialog, GraphicalEditorPart editor) { - this.mTrayDialog = trayDialog; - this.mEditor = editor; - } - - /** - * Updates the preview based on the current selection and resource type, possibly - * hiding or opening the tray in the process. - * - * @param type the resource type for the selected resource - * @param resource the full resource url - */ - public void updatePreview(ResourceType type, String resource) { - boolean showPreview = type == ResourceType.DRAWABLE || type == ResourceType.COLOR; - if (showPreview) { - if (mPreviewTray == null) { - mPreviewTray = new DialogTray() { - @Override - protected Control createContents(Composite parent) { - // This creates a centered image control - Composite panel = new Composite(parent, SWT.NONE); - panel.setLayout(new GridLayout(3, false)); - Label dummy1 = new Label(panel, SWT.NONE); - dummy1.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, true, 1, 1)); - mPreviewImageControl = new ImageControl(panel, SWT.NONE, SwtUtils - .createEmptyImage(parent.getDisplay(), WIDTH, HEIGHT)); - GridData gd = new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1); - gd.widthHint = WIDTH; - gd.heightHint = HEIGHT; - mPreviewImageControl.setLayoutData(gd); - Label dummy2 = new Label(panel, SWT.NONE); - dummy2.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, true, 1, 1)); - - return panel; - } - - }; - } - - if (!mShowingPreview) { - mTrayDialog.openTray(mPreviewTray); - } - - BufferedImage image = null; - try { - if (type == ResourceType.COLOR) { - ResourceResolver resources = mEditor.getResourceResolver(); - ResourceValue value = resources.findResValue(resource, false); - if (value != null) { - RGB color = ResourceHelper.resolveColor(resources, value); - if (color != null) { - image = ImageUtils.createColoredImage(WIDTH, HEIGHT, color); - } - } - } else { - assert type == ResourceType.DRAWABLE; - - ResourceResolver resources = mEditor.getResourceResolver(); - ResourceValue drawable = resources.findResValue(resource, false); - if (drawable != null) { - String path = drawable.getValue(); - - // Special-case image files (other than 9-patch files) and render these - // directly, in order to provide proper aspect ratio handling and - // to handle scaling to show the full contents: - if (ImageUtils.hasImageExtension(path) - && !endsWithIgnoreCase(path, DOT_9PNG)) { - File file = new File(path); - if (file.exists()) { - try { - image = ImageIO.read(file); - int width = image.getWidth(); - int height = image.getHeight(); - if (width > WIDTH || height > HEIGHT) { - double xScale = WIDTH / (double) width; - double yScale = HEIGHT / (double) height; - double scale = Math.min(xScale, yScale); - image = ImageUtils.scale(image, scale, scale); - } - } catch (IOException e) { - AdtPlugin.log(e, "Can't read preview image %1$s", path); - } - } - } - - if (image == null) { - RenderService renderService = RenderService.create(mEditor); - renderService.setOverrideRenderSize(WIDTH, HEIGHT); - image = renderService.renderDrawable(drawable); - } - } - } - } catch (Throwable t) { - // Some kind of rendering error occurred. However, we don't want to use - // AdtPlugin.log(t, "Can't generate preview for %1$s", resource); - // because if it's a severe type of error (such as an InternalError shown - // in issue #18623) then a dialog will pop up and interfere with the - // preview, so just log a warning (unfortunately without the trace) instead. - AdtPlugin.log(IStatus.WARNING, "Can't generate preview for %1$s", resource); - } - - Display display = mEditor.getSite().getShell().getDisplay(); - if (image != null) { - mPreviewImageControl.setImage(SwtUtils.convertToSwt(display, image, true, -1)); - } else { - mPreviewImageControl.setImage(SwtUtils.createEmptyImage(display, WIDTH, HEIGHT)); - } - mPreviewImageControl.redraw(); - } else if (mPreviewTray != null && mShowingPreview) { - mTrayDialog.closeTray(); - } - mShowingPreview = showPreview; - } -} |