From f219929b559ca4af7f07308b543244c77d114417 Mon Sep 17 00:00:00 2001 From: Steffen Pingel Date: Tue, 25 Mar 2014 15:11:03 +0100 Subject: 316253: move task activation externalization to core Change-Id: I52c508ef8103ac6e2ddaef30e1ab78986dfc32d3 Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=316253 --- .../tasks/core/externalization/Messages.java | 3 + .../TaskActivationExternalizationParticipant.java | 163 +++++++++++++++++++++ .../tasks/core/externalization/messages.properties | 1 + 3 files changed, 167 insertions(+) create mode 100644 org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/TaskActivationExternalizationParticipant.java (limited to 'org.eclipse.mylyn.tasks.core/src/org/eclipse') diff --git a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/Messages.java b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/Messages.java index 792f462b1..b53d2049e 100644 --- a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/Messages.java +++ b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/Messages.java @@ -32,4 +32,7 @@ public class Messages extends NLS { public static String ExternalizationManager_Task_List_Save_Job; public static String TaskListExternalizationParticipant_Task_List; + + public static String TaskActivationExternalizationParticipant_Task_Activation_History; + } diff --git a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/TaskActivationExternalizationParticipant.java b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/TaskActivationExternalizationParticipant.java new file mode 100644 index 000000000..a4e2011e2 --- /dev/null +++ b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/TaskActivationExternalizationParticipant.java @@ -0,0 +1,163 @@ +/******************************************************************************* + * Copyright (c) 2009 Tasktop Technologies 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: + * Tasktop Technologies - initial API and implementation + *******************************************************************************/ + +package org.eclipse.mylyn.internal.tasks.core.externalization; + +import java.io.File; +import java.io.FileReader; +import java.io.FileWriter; +import java.io.IOException; +import java.lang.reflect.InvocationTargetException; + +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IProgressMonitor; +import org.eclipse.core.runtime.IStatus; +import org.eclipse.core.runtime.Status; +import org.eclipse.core.runtime.jobs.ISchedulingRule; +import org.eclipse.mylyn.commons.core.XmlMemento; +import org.eclipse.mylyn.internal.tasks.core.AbstractTask; +import org.eclipse.mylyn.internal.tasks.core.ITasksCoreConstants; +import org.eclipse.mylyn.internal.tasks.core.TaskActivationHistory; +import org.eclipse.mylyn.internal.tasks.core.TaskList; +import org.eclipse.mylyn.tasks.core.ITask; +import org.eclipse.mylyn.tasks.core.ITaskActivationListener; + +/** + * @author Steffen Pingel + */ +public class TaskActivationExternalizationParticipant extends AbstractExternalizationParticipant implements + ITaskActivationListener { + + private final ExternalizationManager externalizationManager; + + private boolean dirty; + + private final TaskActivationHistory activationHistory; + + private final File file; + + private final TaskList taskList; + + public TaskActivationExternalizationParticipant(ExternalizationManager externalizationManager, TaskList taskList, + TaskActivationHistory history, File file) { + this.externalizationManager = externalizationManager; + this.taskList = taskList; + this.activationHistory = history; + this.file = file; + } + + @Override + public String getDescription() { + return Messages.TaskActivationExternalizationParticipant_Task_Activation_History; + } + + @Override + public ISchedulingRule getSchedulingRule() { + return ITasksCoreConstants.ACTIVITY_SCHEDULING_RULE; + } + + @Override + public boolean isDirty() { + return dirty; + } + + private void requestSave() { + synchronized (TaskActivationExternalizationParticipant.this) { + dirty = true; + } + externalizationManager.requestSave(); + } + + @Override + public void load(File sourceFile, IProgressMonitor monitor) throws CoreException { + try { + activationHistory.clear(); + if (file.exists()) { + FileReader reader = new FileReader(file); + try { + XmlMemento memento = XmlMemento.createReadRoot(reader); + XmlMemento[] items = memento.getChildren("task"); //$NON-NLS-1$ + for (XmlMemento child : items) { + String handle = child.getString("handle"); //$NON-NLS-1$ + if (handle != null) { + AbstractTask task = taskList.getTask(handle); + if (task != null) { + activationHistory.addTaskInternal(task); + } + } + } + } finally { + reader.close(); + } + } + } catch (InvocationTargetException e) { + throw new CoreException(new Status(IStatus.ERROR, ITasksCoreConstants.ID_PLUGIN, + "Failed to load task activation history", e)); //$NON-NLS-1$ + } catch (IOException e) { + throw new CoreException(new Status(IStatus.ERROR, ITasksCoreConstants.ID_PLUGIN, + "Failed to load task activation history", e)); //$NON-NLS-1$ + } + } + + @Override + public void save(File targetFile, IProgressMonitor monitor) throws CoreException { + synchronized (TaskActivationExternalizationParticipant.this) { + dirty = false; + } + + XmlMemento memento = XmlMemento.createWriteRoot("taskActivationHistory"); //$NON-NLS-1$ + for (AbstractTask task : activationHistory.getPreviousTasks()) { + XmlMemento child = memento.createChild("task"); //$NON-NLS-1$ + child.putString("handle", task.getHandleIdentifier()); //$NON-NLS-1$ + } + + try { + file.getParentFile().mkdirs(); + FileWriter writer = new FileWriter(file); + try { + memento.save(writer); + } finally { + writer.close(); + } + } catch (IOException e) { + throw new CoreException(new Status(IStatus.ERROR, ITasksCoreConstants.ID_PLUGIN, + "Failed to save task activation history", e)); //$NON-NLS-1$ + } + } + + @Override + public String getFileName() { + return file.getName(); + } + + @Override + public File getFile(String rootPath) throws CoreException { + return file; + } + + public void preTaskActivated(ITask task) { + // ignore + } + + public void preTaskDeactivated(ITask task) { + // ignore + } + + public void taskActivated(ITask task) { + activationHistory.addTask((AbstractTask) task); + requestSave(); + } + + public void taskDeactivated(ITask task) { + // ignore + } + +} diff --git a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/messages.properties b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/messages.properties index 50a62ccd1..68b87f4e4 100644 --- a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/messages.properties +++ b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/messages.properties @@ -13,3 +13,4 @@ ExternalizationManager_Saving_=Saving... ExternalizationManager_Task_List_Save_Job=Task List Save Job TaskListExternalizationParticipant_Task_List=Task List +TaskActivationExternalizationParticipant_Task_Activation_History=Task Activation History -- cgit v1.2.3