Java tutorial
/** * Copyright (C) 2012 BonitaSoft S.A. * BonitaSoft, 31 rue Gustave Eiffel - 38000 Grenoble * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2.0 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.bonitasoft.studio.dependencies.ui; import org.bonitasoft.studio.common.repository.model.IRepositoryFileStore; import org.bonitasoft.studio.dependencies.i18n.Messages; import org.bonitasoft.studio.dependencies.repository.DependencyFileStore; import org.bonitasoft.studio.dependencies.repository.DependencyRepositoryStore; import org.bonitasoft.studio.model.configuration.Fragment; import org.bonitasoft.studio.model.configuration.FragmentContainer; import org.eclipse.jface.fieldassist.FieldDecorationRegistry; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.viewers.DecorationOverlayIcon; import org.eclipse.jface.viewers.IDecoration; import org.eclipse.jface.viewers.ILabelDecorator; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.ImageData; /** * @author Romain Bioteau * */ public class MissingDependenciesDecorator implements ILabelDecorator { private Image errorIcon; private Image warningIcon; private DependencyRepositoryStore store; private Image warningDecoratorImage = FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_WARNING).getImage(); private Image errorDecoratorImage = FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR).getImage(); public MissingDependenciesDecorator(DependencyRepositoryStore store) { this.store = store; } public MissingDependenciesDecorator() { } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener) */ @Override public void addListener(ILabelProviderListener arg0) { } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose() */ @Override public void dispose() { if (errorIcon != null) { errorIcon.dispose(); } if (warningIcon != null) { warningIcon.dispose(); } } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String) */ @Override public boolean isLabelProperty(Object arg0, String arg1) { return false; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener) */ @Override public void removeListener(ILabelProviderListener arg0) { } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ILabelDecorator#decorateImage(org.eclipse.swt.graphics.Image, java.lang.Object) */ @Override public Image decorateImage(Image image, Object element) { if (element instanceof Fragment && image != null) { Fragment fragment = (Fragment) element; String lib = fragment.getValue(); if (lib.endsWith(DependencyRepositoryStore.JAR_EXT)) { if (isDependencyMissing(lib, fragment)) { return getErrorDecoratedImage(image); } else if (isInRuntimeContainer(lib, fragment)) { return getWarningDecoratedImage(image); } else if (isInRuntimeContainerWithAnotherVersion(lib, fragment)) { return getWarningDecoratedImage(image); } else { return image; } } } return null; } protected Image getErrorDecoratedImage(Image image) { if (errorIcon == null) { errorIcon = new DecorationOverlayIcon(image, new ImageDescriptor() { @Override public ImageData getImageData() { return errorDecoratorImage.getImageData(); } }, IDecoration.BOTTOM_RIGHT).createImage(); } return errorIcon; } protected Image getWarningDecoratedImage(Image image) { if (warningIcon == null) { warningIcon = new DecorationOverlayIcon(image, new ImageDescriptor() { @Override public ImageData getImageData() { return warningDecoratorImage.getImageData(); } }, IDecoration.BOTTOM_RIGHT).createImage(); } return warningIcon; } protected boolean isInRuntimeContainerWithAnotherVersion(String lib, Fragment fragment) { DependencyFileStore fileStore = store.getChild(lib); if (fileStore != null) { return fileStore.existsInRuntimeContainerWithAnotherVersion(); } return false; } protected boolean isInRuntimeContainer(String lib, Fragment fragment) { DependencyFileStore fileStore = store.getChild(lib); if (fileStore != null) { return fileStore.existsInRuntimeContainer(); } return false; } protected boolean isDependencyMissing(String libName, Fragment fragment) { IRepositoryFileStore file = store.getChild(libName); if (file == null && isGeneratedJar(libName, fragment)) {//Check in custom connector return false; } return file == null; } protected boolean isGeneratedJar(String lib, Fragment fragment) { FragmentContainer container = (FragmentContainer) fragment.eContainer(); String id = container.getId(); if (lib.equals(id + ".jar")) { return true; } return false; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ILabelDecorator#decorateText(java.lang.String, java.lang.Object) */ @Override public String decorateText(String text, Object element) { if (element instanceof Fragment && text != null) { Fragment fragment = (Fragment) element; String lib = fragment.getValue(); if (lib.endsWith(DependencyRepositoryStore.JAR_EXT)) { if (isDependencyMissing(lib, fragment)) { return text + " (" + Messages.missingDependenciesInRepository + ")"; } else if (isInRuntimeContainer(lib, fragment)) { return text + " (" + Messages.dependencyExistsInRuntimeContainer + ")"; } else if (isInRuntimeContainerWithAnotherVersion(lib, fragment)) { return text + " (" + Messages.dependencyExistsInRuntimeContainerWithAnotherVersion + ")"; } else { return text; } } } return null; } }