/******************************************************************************* * Copyright (c) 2000, 2010 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.ILabelProvider; 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<ICElement> 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<ICElement> adapter= new IListAdapter<ICElement>() { public void customButtonPressed(ListDialogField<ICElement> field, int index) { doCustomButtonPressed(); } public void selectionChanged(ListDialogField<ICElement> field) { doSelectionChanged(); } public void doubleClicked(ListDialogField<ICElement> field) { doDoubleClicked(); } }; ILabelProvider labelProvider= new CUILabelProvider(CHHistoryAction.LABEL_OPTIONS, CElementImageProvider.OVERLAY_ICONS); fHistoryList= new ListDialogField<ICElement>(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), true); 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<ICElement> selected= fHistoryList.getSelectedElements(); if (selected.size() != 1) { status.setError(""); //$NON-NLS-1$ fResult= null; } else { fResult= 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<ICElement> 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()); } } }