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/*******************************************************************************
* Copyright (c) 2004, 2008 Tasktop Technologies and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Willian Mitsuda - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.wizards;
import java.io.File;
import org.eclipse.mylyn.internal.provisional.commons.ui.IImageCreator;
import org.eclipse.mylyn.internal.tasks.core.LocalAttachment;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.ImageLoader;
/**
* Represents a attachment created from a {@link Image}; handles lazy persistence into a {@link File} and image data
* change
*
* @author Willian Mitsuda
*/
public class ImageAttachment extends LocalAttachment {
private static final long serialVersionUID = 28264291629999181L;
/**
* Provides the {@link Image} object that will be converted to desired file format, and then attached
*/
private final IImageCreator imageCreator;
public ImageAttachment(IImageCreator imageCreator) {
this.imageCreator = imageCreator;
}
@Override
public void setContentType(String contentType) {
// Does not apply; actually always save as JPEG
// Will be implemented on bug#210179
}
@Override
public String getContentType() {
return "image/jpeg";
}
@Override
public String getFilename() {
return "screenshot.jpg";
}
private boolean dirty = true;
public void markDirty() {
dirty = true;
}
public void ensureImageFileWasCreated() {
if (!dirty) {
return;
}
dirty = false;
createContents();
}
private void createContents() {
Image image = imageCreator.createImage();
try {
String path = TasksUiPlugin.getDefault().getDefaultDataDirectory();
ImageLoader loader = new ImageLoader();
loader.data = new ImageData[] { image.getImageData() };
String fileName = path + "/" + getFilename();
loader.save(fileName, SWT.IMAGE_JPEG);
setFile(new File(fileName));
setFilePath(fileName);
} finally {
image.dispose();
}
}
public void clearImageFile() {
String path = TasksUiPlugin.getDefault().getDefaultDataDirectory();
new File(path + "/" + getFilename()).delete();
}
}
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