Java tutorial
/******************************************************************************* * Copyright (c) 2004, 2010 BREDEX GmbH. * 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: * BREDEX GmbH - initial API and implementation and/or initial documentation *******************************************************************************/ package org.eclipse.jubula.client.ui.rcp.provider.labelprovider; import java.util.HashMap; import java.util.Map; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.viewers.IDecoration; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jubula.client.core.businessprocess.IComponentNameCache; import org.eclipse.jubula.client.core.model.IComponentNamePO; import org.eclipse.jubula.client.core.model.IObjectMappingAssoziationPO; import org.eclipse.jubula.client.core.model.IObjectMappingCategoryPO; import org.eclipse.jubula.client.ui.constants.Constants; import org.eclipse.jubula.client.ui.constants.IconConstants; import org.eclipse.jubula.client.ui.rcp.Plugin; import org.eclipse.jubula.client.ui.rcp.controllers.dnd.LocalSelectionClipboardTransfer; import org.eclipse.jubula.client.ui.rcp.i18n.Messages; import org.eclipse.jubula.tools.internal.constants.StringConstants; import org.eclipse.jubula.tools.internal.exception.Assert; import org.eclipse.jubula.tools.internal.i18n.I18n; import org.eclipse.jubula.tools.internal.objects.IComponentIdentifier; import org.eclipse.swt.dnd.Clipboard; import org.eclipse.swt.graphics.Image; import org.eclipse.ui.PlatformUI; /** * @author BREDEX GmbH * @created 15.10.2004 */ public class OMEditorTreeLabelProvider extends LabelProvider { /** * mapping from top-level category name to i18n key for top-level * category name */ private static Map<String, String> topLevelCategoryToNameKey = new HashMap<String, String>(); static { topLevelCategoryToNameKey.put(IObjectMappingCategoryPO.MAPPEDCATEGORY, "ObjectMappingEditor.Assigned"); //$NON-NLS-1$ topLevelCategoryToNameKey.put(IObjectMappingCategoryPO.UNMAPPEDLOGICALCATEGORY, "ObjectMappingEditor.UnAssignedLogic"); //$NON-NLS-1$ topLevelCategoryToNameKey.put(IObjectMappingCategoryPO.UNMAPPEDTECHNICALCATEGORY, "ObjectMappingEditor.UnAssignedTech"); //$NON-NLS-1$ } /** the component cache to use for finding and modifying components */ private IComponentNameCache m_compCache; /** clipboard */ private Clipboard m_clipboard = new Clipboard( PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().getDisplay()); /** * Constructor * * @param compCache The component cache to use for finding and modifying * Component Names. */ public OMEditorTreeLabelProvider(IComponentNameCache compCache) { m_compCache = compCache; } /** * {@inheritDoc} */ public void dispose() { m_clipboard.dispose(); } /** * * @param element Object the Object * @return Image an Image */ public Image getImage(Object element) { Image image = null; if (element instanceof IComponentNamePO) { image = IconConstants.LOGICAL_NAME_IMAGE; } else if (element instanceof IObjectMappingAssoziationPO) { int status = getQualitySeverity(((IObjectMappingAssoziationPO) element).getCompIdentifier()); switch (status) { case IStatus.OK: image = IconConstants.TECH_NAME_OK_IMAGE; break; case IStatus.WARNING: image = IconConstants.TECH_NAME_WARNING_IMAGE; break; case IStatus.ERROR: image = IconConstants.TECH_NAME_ERROR_IMAGE; break; default: image = IconConstants.TECHNICAL_NAME_IMAGE; break; } if (((IObjectMappingAssoziationPO) element).getTechnicalName().getProfile() != null) { image = IconConstants.decorateImage(image, IconConstants.TRIANGLE_OVERLAY, IDecoration.TOP_LEFT); } } else if (element instanceof IObjectMappingCategoryPO) { image = IconConstants.CATEGORY_IMAGE; } else if (element instanceof String) { // Missing Component Name image = IconConstants.LOGICAL_NAME_IMAGE; } else { String elementType = element != null ? element.getClass().getName() : "null"; //$NON-NLS-1$ StringBuilder msg = new StringBuilder(); msg.append(Messages.ElementType).append(StringConstants.SPACE).append(StringConstants.APOSTROPHE) .append(elementType).append(StringConstants.APOSTROPHE).append(StringConstants.SPACE) .append(Messages.NotSupported).append(StringConstants.DOT); Assert.notReached(msg.toString()); return null; } LocalSelectionClipboardTransfer transfer = LocalSelectionClipboardTransfer.getInstance(); if (transfer.getIsItCut()) { Object cbContents = m_clipboard.getContents(transfer); if (cbContents instanceof IStructuredSelection) { IStructuredSelection sel = (IStructuredSelection) cbContents; if (sel.toList().contains(element)) { image = Plugin.getCutImage(image); } } } return image; } /** * @param identifier * the identifier to check for its quality * @return an IStatus severity indicating the quality */ public static int getQualitySeverity(IComponentIdentifier identifier) { if (identifier != null) { int noOfMatchedComps = identifier.getNumberOfOtherMatchingComponents(); if (identifier.isEqualOriginalFound()) { if (noOfMatchedComps == 1) { return IStatus.OK; } return IStatus.WARNING; } return IStatus.ERROR; } return IStatus.CANCEL; } /** * @param element * Object * @return name String */ public String getText(Object element) { if (element instanceof IObjectMappingAssoziationPO) { IComponentIdentifier compId = ((IObjectMappingAssoziationPO) element).getTechnicalName(); if (compId != null) { return compId.getComponentNameToDisplay(); } } else if (element instanceof IComponentNamePO) { return m_compCache.getNameByGuid(((IComponentNamePO) element).getGuid()); } else if (element instanceof IObjectMappingCategoryPO) { IObjectMappingCategoryPO category = (IObjectMappingCategoryPO) element; StringBuilder nameBuilder = new StringBuilder(); String catName = category.getName(); if (getTopLevelCategoryName(catName) != null) { catName = getTopLevelCategoryName(catName); } nameBuilder.append(catName); if (Plugin.getDefault().getPreferenceStore().getBoolean(Constants.SHOWCHILDCOUNT_KEY)) { int childListSize = 0; childListSize += category.getUnmodifiableAssociationList().size(); childListSize += category.getUnmodifiableCategoryList().size(); nameBuilder.append(StringConstants.SPACE + StringConstants.LEFT_PARENTHESES).append(childListSize) .append(StringConstants.RIGHT_PARENTHESES); } return nameBuilder.toString(); } else if (element instanceof String) { // Missing Component Name return (String) element; } Assert.notReached(org.eclipse.jubula.client.ui.i18n.Messages.UnknownTypeOfElementInTreeOfType + StringConstants.SPACE + element.getClass().getName()); return StringConstants.EMPTY; } /** * * @param key The untranslated name of a top-level category. * @return the translated category name, or <code>null</code> if there is * no translation for the given key. */ public static String getTopLevelCategoryName(String key) { if (topLevelCategoryToNameKey.containsKey(key)) { return I18n.getString(topLevelCategoryToNameKey.get(key)); } return null; } }