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/*******************************************************************************
* Copyright (c) 2000, 2008 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
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.ui.callhierarchy;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.StatusDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.internal.ui.dialogs.StatusInfo;
import org.eclipse.cdt.internal.ui.viewsupport.CElementImageProvider;
import org.eclipse.cdt.internal.ui.viewsupport.CUILabelProvider;
import org.eclipse.cdt.internal.ui.wizards.dialogfields.DialogField;
import org.eclipse.cdt.internal.ui.wizards.dialogfields.IListAdapter;
import org.eclipse.cdt.internal.ui.wizards.dialogfields.LayoutUtil;
import org.eclipse.cdt.internal.ui.wizards.dialogfields.ListDialogField;
public class CHHistoryListAction extends Action {
private class HistoryListDialog extends StatusDialog {
private ListDialogField fHistoryList;
private IStatus fHistoryStatus;
private ICElement fResult;
private HistoryListDialog(Shell shell, ICElement[] historyEntries) {
super(shell);
setHelpAvailable(false);
setTitle(CHMessages.CHHistoryListAction_HistoryDialog_title);
String[] buttonLabels= new String[] {
CHMessages.CHHistoryListAction_Remove_label,
};
IListAdapter adapter= new IListAdapter() {
public void customButtonPressed(ListDialogField field, int index) {
doCustomButtonPressed();
}
public void selectionChanged(ListDialogField field) {
doSelectionChanged();
}
public void doubleClicked(ListDialogField field) {
doDoubleClicked();
}
};
LabelProvider labelProvider= new CUILabelProvider(CHHistoryAction.LABEL_OPTIONS, CElementImageProvider.OVERLAY_ICONS);
fHistoryList= new ListDialogField(adapter, buttonLabels, labelProvider);
fHistoryList.setLabelText(CHMessages.CHHistoryListAction_HistoryList_label);
fHistoryList.setElements(Arrays.asList(historyEntries));
ISelection sel;
if (historyEntries.length > 0) {
sel= new StructuredSelection(historyEntries[0]);
} else {
sel= new StructuredSelection();
}
fHistoryList.selectElements(sel);
}
/*
* @see Dialog#createDialogArea(Composite)
*/
@Override
protected Control createDialogArea(Composite parent) {
initializeDialogUnits(parent);
Composite composite= (Composite) super.createDialogArea(parent);
Composite inner= new Composite(composite, SWT.NONE);
inner.setFont(parent.getFont());
inner.setLayoutData(new GridData(GridData.FILL_BOTH));
LayoutUtil.doDefaultLayout(inner, new DialogField[] { fHistoryList }, true, 0, 0);
LayoutUtil.setHeightHint(fHistoryList.getListControl(null), convertHeightInCharsToPixels(12));
LayoutUtil.setHorizontalGrabbing(fHistoryList.getListControl(null));
applyDialogFont(composite);
return composite;
}
/**
* Method doCustomButtonPressed.
*/
private void doCustomButtonPressed() {
fHistoryList.removeElements(fHistoryList.getSelectedElements());
}
private void doDoubleClicked() {
if (fHistoryStatus.isOK()) {
okPressed();
}
}
private void doSelectionChanged() {
StatusInfo status= new StatusInfo();
List<?> selected= fHistoryList.getSelectedElements();
if (selected.size() != 1) {
status.setError(""); //$NON-NLS-1$
fResult= null;
} else {
fResult= (ICElement) selected.get(0);
}
fHistoryList.enableButton(0, fHistoryList.getSize() > selected.size() && selected.size() != 0);
fHistoryStatus= status;
updateStatus(status);
}
public ICElement getResult() {
return fResult;
}
public ICElement[] getRemaining() {
List<?> elems= fHistoryList.getElements();
return elems.toArray(new ICElement[elems.size()]);
}
/*
* @see org.eclipse.jface.window.Window#configureShell(Shell)
*/
@Override
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
// PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, ...);
}
/* (non-Javadoc)
* @see org.eclipse.jface.window.Window#create()
*/
@Override
public void create() {
setShellStyle(getShellStyle() | SWT.RESIZE);
super.create();
}
}
private CHViewPart fView;
public CHHistoryListAction(CHViewPart view) {
fView= view;
setText(CHMessages.CHHistoryListAction_OpenHistory_label);
}
/*
* @see IAction#run()
*/
@Override
public void run() {
ICElement[] historyEntries= fView.getHistoryEntries();
HistoryListDialog dialog= new HistoryListDialog(fView.getSite().getShell(), historyEntries);
if (dialog.open() == Window.OK) {
fView.setHistoryEntries(dialog.getRemaining());
fView.setInput(dialog.getResult());
}
}
}
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