author | timkelly |
Tue, 18 Aug 2009 11:45:34 -0500 | |
changeset 446 | 8cd2a2915e7b |
parent 0 | fb279309251b |
child 447 | 5018b19f0952 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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package com.nokia.carbide.cpp.internal.ui.images; |
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|
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import com.nokia.carbide.cpp.internal.ui.Messages; |
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import com.nokia.carbide.cpp.ui.CarbideUIPlugin; |
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import com.nokia.carbide.cpp.ui.images.*; |
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import com.nokia.cpp.internal.api.utils.core.*; |
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|
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import org.eclipse.core.resources.IProject; |
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import org.eclipse.core.runtime.*; |
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import org.eclipse.jface.resource.ImageDescriptor; |
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import org.eclipse.swt.graphics.Point; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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|
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/** |
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* A model for an image that only exists on disk or in the project but which |
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* is not yet restricted by an image format. |
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* |
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*/ |
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public class FileImageModel implements IFileImageModel, IImageDataProviderListener { |
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private IPath sourceLocation; |
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protected IPath basePath; |
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private IPath relativePath; |
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private final IImageContainerModel containerModel; |
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private IImageDataProvider imageDataProvider; |
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|
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/** |
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* Construct with an file path, with an optional base path |
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* for displaying relative to a path |
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* @param containerModel |
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* @param basePath base path |
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* @param filePath relative path to base |
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*/ |
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public FileImageModel(IImageContainerModel containerModel, IPath basePath, IPath filePath) { |
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Check.checkArg(containerModel); |
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this.containerModel = containerModel; |
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this.basePath = basePath; |
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this.relativePath = filePath; |
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if (filePath != null) { |
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this.sourceLocation = basePath != null && filePath.getDevice() == null && !filePath.isAbsolute() |
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? basePath.append(filePath) : filePath; |
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} |
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if (sourceLocation.getDevice() == null){ |
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sourceLocation = sourceLocation.setDevice(basePath.getDevice()); |
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} |
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} |
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/** |
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* |
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*/ |
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public FileImageModel(IImageContainerModel containerModel, IProject project, IPath projectPath) { |
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Check.checkArg(containerModel); |
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this.containerModel = containerModel; |
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this.basePath = ProjectUtils.getRealProjectLocation(project); |
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this.relativePath = projectPath; |
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if (projectPath != null) { |
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if (projectPath.isAbsolute() || projectPath.getDevice() != null) |
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this.sourceLocation = projectPath; |
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else |
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this.sourceLocation = basePath.append(projectPath); |
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} |
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} |
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@Override |
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public int hashCode() { |
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final int prime = 31; |
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int result = 1; |
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result = prime * result |
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+ ((sourceLocation == null) ? 0 : sourceLocation.hashCode()); |
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return result; |
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} |
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@Override |
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public boolean equals(Object obj) { |
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if (this == obj) |
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return true; |
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if (obj == null) |
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return false; |
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if (getClass() != obj.getClass()) |
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return false; |
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final FileImageModel other = (FileImageModel) obj; |
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if (sourceLocation == null) { |
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if (other.sourceLocation != null) |
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return false; |
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} else if (!sourceLocation.equals(other.sourceLocation)) |
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return false; |
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return true; |
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} |
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|
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/* (non-Javadoc) |
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* @see java.lang.Object#toString() |
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*/ |
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@Override |
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public String toString() { |
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return sourceLocation != null ? sourceLocation.toString() : Messages.getString("FileImageModel.NoImageLabel"); //$NON-NLS-1$ |
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} |
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|
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/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.IFileImageModel#getProjectPath() |
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*/ |
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public IPath getSourcePath() { |
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return relativePath; |
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} |
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/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.IFileImageModel#getSourceLocation() |
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*/ |
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public IPath getSourceLocation() { |
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return sourceLocation; |
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} |
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/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.IFileImageModel#getTargetPath() |
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*/ |
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public IPath getTargetPath() { |
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return null; |
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} |
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/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.IImageModel#getDisplayText() |
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*/ |
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public String getDisplayText() { |
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return relativePath != null ? relativePath.toPortableString() : Messages.getString("FileImageModel.NoImageLabel"); //$NON-NLS-1$ |
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} |
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/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.IImageModel#getImageContainerModel() |
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*/ |
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public IImageContainerModel getImageContainerModel() { |
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return containerModel; |
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} |
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/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.IImageModel#getImageData(org.eclipse.swt.graphics.Point) |
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*/ |
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public ImageDescriptor getImageDescriptor(Point size) throws CoreException { |
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if (imageDataProvider == null) { |
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imageDataProvider = containerModel.getImageLoader().createImageDataProvider(sourceLocation); |
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if (imageDataProvider != null) { |
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imageDataProvider.addListener(this); |
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} |
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} |
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return ImageDescriptor.createFromImageData(imageDataProvider.getImageData(size)); |
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} |
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/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.IImageModel#validate() |
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*/ |
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public IStatus validate() { |
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if (sourceLocation != null) { |
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File file = sourceLocation.toFile(); |
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if (!file.exists()) { |
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return Logging.newStatus(CarbideUIPlugin.getDefault(), |
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new FileNotFoundException(file.getAbsolutePath())); |
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} |
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} |
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return Status.OK_STATUS; |
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} |
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/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.ui.images.IImageDataProviderListener#changed(com.nokia.carbide.cpp.ui.images.IImageDataProvider) |
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*/ |
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public void changed(IImageDataProvider provider) { |
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containerModel.fireListeners(); |
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} |
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} |