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/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ui.synchronize.actions;
import java.util.*;
import org.eclipse.compare.ITypedElement;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.dnd.*;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.team.internal.ui.*;
import org.eclipse.ui.actions.SelectionListenerAction;
import org.eclipse.ui.part.ResourceTransfer;
/**
* Based on org.eclipse.ui.views.navigator.CopyAction with the additional support for
* copying any non-resource object in the selection and putting the toString() as
* a text transfer.
*
* @since 3.1
*/
class CopyToClipboardAction extends SelectionListenerAction {
private static final String EOL = System.getProperty("line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
private final static String ID= TeamUIPlugin.PLUGIN_ID + ".synchronize.action.copy"; //$NON-NLS-1$
private final Shell fShell;
private final Clipboard fClipboard;
protected CopyToClipboardAction(Shell shell) {
super(TeamUIMessages.CopyToClipboardAction_1);
Assert.isNotNull(shell);
fShell= shell;
fClipboard= new Clipboard(shell.getDisplay());
setToolTipText(TeamUIMessages.CopyToClipboardAction_2);
setId(ID);
}
public void run() {
copyResources(getSelectedResources(), getTextualClipboardContents());
}
/*
* Return a text representation of all selected elements.
* Use the name from the tree node so what is copied
* matches what appears in the tree.
*/
private String getTextualClipboardContents() {
StringBuffer buf = new StringBuffer();
int i = 0;
for (Iterator it = getStructuredSelection().iterator(); it.hasNext();) {
Object element = it.next();
if (element instanceof ITypedElement) {
if (i > 0)
buf.append(EOL);
buf.append(((ITypedElement)element).getName());
i++;
}
}
return buf.toString();
}
private void copyResources(List selectedResources, String text) {
IResource[] resources = (IResource[]) selectedResources.toArray(new IResource[selectedResources.size()]);
// Get the file names and a string representation
final int length = resources.length;
int actualLength = 0;
String[] fileNames = new String[length];
for (int i = 0; i < length; i++) {
final IPath location = resources[i].getLocation();
// location may be null. See bug 29491.
if (location != null)
fileNames[actualLength++] = location.toOSString();
}
// was one or more of the locations null?
if (actualLength < length) {
String[] tempFileNames = fileNames;
fileNames = new String[actualLength];
for (int i = 0; i < actualLength; i++)
fileNames[i] = tempFileNames[i];
}
setClipboard(resources, fileNames, text);
}
/**
* Set the clipboard contents. Prompt to retry if clipboard is busy.
*
* @param resources the resources to copy to the clipboard
* @param fileNames file names of the resources to copy to the clipboard
* @param names string representation of all names
*/
private void setClipboard(IResource[] resources, String[] fileNames, String names) {
try {
// set the clipboard contents
if (resources.length > 0 && fileNames.length > 0) {
fClipboard.setContents(new Object[] { resources, fileNames,
names },
new Transfer[] { ResourceTransfer.getInstance(),
FileTransfer.getInstance(),
TextTransfer.getInstance() });
} else if(resources.length > 0 ) {
fClipboard.setContents(new Object[] { resources, names },
new Transfer[] { ResourceTransfer.getInstance(),
TextTransfer.getInstance() });
} else if(resources.length == 0) {
fClipboard.setContents(new Object[] { names },
new Transfer[] { TextTransfer.getInstance() });
}
} catch (SWTError e) {
if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD)
throw e;
if (MessageDialog.openQuestion(fShell, TeamUIMessages.CopyToClipboardAction_3, TeamUIMessages.CopyToClipboardAction_4))
setClipboard(resources, fileNames, names);
}
}
protected boolean updateSelection(IStructuredSelection selection) {
if (!super.updateSelection(selection))
return false;
// Calling our own selection utility because the elements in the
// synchronize view can't adapt to IResource because we don't want the usual object
// contribution/ on them.
List selectedResources = getSelectedResources();
List selectedNonResources = getSelectedNonResources();
if (selectedResources.size() > 0 && selectedNonResources.size() == 0) {
boolean projSelected = selectionIsOfType(IResource.PROJECT);
boolean fileFoldersSelected = selectionIsOfType(IResource.FILE | IResource.FOLDER);
if (!projSelected && !fileFoldersSelected)
return false;
// selection must be homogeneous
if (projSelected && fileFoldersSelected)
return false;
// must have a common parent
IContainer firstParent = ((IResource) selectedResources.get(0)).getParent();
if (firstParent == null)
return false;
Iterator resourcesEnum = selectedResources.iterator();
while (resourcesEnum.hasNext()) {
IResource currentResource = (IResource) resourcesEnum.next();
if (!currentResource.getParent().equals(firstParent))
return false;
// resource location must exist
if (currentResource.getLocation() == null)
return false;
}
return true;
} else if (selectedNonResources.size() > 0 && selectedResources.size() == 0) {
return true;
}
return false;
}
protected List getSelectedNonResources() {
return Arrays.asList(Utils.getNonResources(getStructuredSelection().toArray()));
}
protected List getSelectedResources() {
// Calling our own selection utility because the elements in the
// synchronize view can't adapt to IResource because we don't want the usual object
// contribution/ on them.
return Arrays.asList(Utils.getResources(getStructuredSelection().toArray()));
}
public void dispose() {
fClipboard.dispose();
}
}
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