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/******************************************************************************* |
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* Copyright (c) 2004, 2007 Mylyn project committers and others. |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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*******************************************************************************/ |
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package org.eclipse.mylyn.internal.tasks.ui.actions; |
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import java.io.File; |
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import java.text.SimpleDateFormat; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import java.util.List; |
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import java.util.Locale; |
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import org.eclipse.jface.action.Action; |
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import org.eclipse.jface.action.IAction; |
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import org.eclipse.jface.dialogs.MessageDialog; |
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import org.eclipse.jface.viewers.ISelection; |
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import org.eclipse.jface.viewers.StructuredSelection; |
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import org.eclipse.mylyn.internal.tasks.ui.ITasksUiConstants; |
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import org.eclipse.mylyn.tasks.core.AbstractRepositoryQuery; |
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import org.eclipse.mylyn.tasks.ui.TasksUiPlugin; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.widgets.FileDialog; |
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import org.eclipse.swt.widgets.Shell; |
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import org.eclipse.ui.IViewActionDelegate; |
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import org.eclipse.ui.IViewPart; |
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import org.eclipse.ui.PlatformUI; |
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/** |
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* Makes able to export selected query to the file system. |
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* @author Jevgeni Holodkov |
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*/ |
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public class QueryExportAction extends Action implements IViewActionDelegate { |
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protected ISelection selection; |
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public void init(IViewPart view) { |
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// ignore |
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} |
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public void run(IAction action) { |
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run(getSelectedQueries(selection)); |
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} |
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public void selectionChanged(IAction action, ISelection selection) { |
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this.selection = selection; |
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List<AbstractRepositoryQuery> selectedQueries = getSelectedQueries(selection); |
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action.setEnabled(true); |
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if (selectedQueries.size() > 0) { |
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action.setEnabled(true); |
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} else { |
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action.setEnabled(false); |
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} |
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} |
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@SuppressWarnings("unchecked") |
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protected List<AbstractRepositoryQuery> getSelectedQueries(ISelection newSelection) { |
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List<AbstractRepositoryQuery> selectedQueries = new ArrayList<AbstractRepositoryQuery>(); |
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if (selection instanceof StructuredSelection) { |
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List selectedObjects = ((StructuredSelection) selection).toList(); |
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for (Object selectedObject : selectedObjects) { |
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if (selectedObject instanceof AbstractRepositoryQuery) { |
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selectedQueries.add((AbstractRepositoryQuery)selectedObject); |
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} |
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} |
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} |
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return selectedQueries; |
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} |
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public void run(List<AbstractRepositoryQuery> queries) { |
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Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); |
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FileDialog dialog = new FileDialog(shell, SWT.PRIMARY_MODAL | SWT.SAVE); |
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dialog.setFilterExtensions(new String[] { "*" + ITasksUiConstants.FILE_EXTENSION }); |
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if (queries.size() == 1) { |
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dialog.setFileName(queries.get(0).getHandleIdentifier()); |
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} else { |
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String fomratString = "yyyy-MM-dd"; |
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SimpleDateFormat format = new SimpleDateFormat(fomratString, Locale.ENGLISH); |
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String date = format.format(new Date()); |
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dialog.setFileName(date + "-exported-queries"); |
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} |
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String path = dialog.open(); |
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if (path != null) { |
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File file = new File(path); |
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if (file.isDirectory()) { |
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MessageDialog.openError(shell, "Query Export Error", "Could not export query because specified location is a folder"); |
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return; |
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} |
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// Prompt the user to confirm if save operation will cause an overwrite |
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if (file.exists()) { |
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if (!MessageDialog.openConfirm(shell, "Confirm File Replace", "The file " + file.getPath() |
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+ " already exists. Do you want to overwrite it?")) { |
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return; |
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} |
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} |
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TasksUiPlugin.getTaskListManager().getTaskListWriter().writeQueries(queries, file); |
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} |
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return; |
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} |
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} |
