Java tutorial
/******************************************************************************* * Copyright (c) 2005-2008 Polarion Software. * 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: * Igor Burilo - Initial API and implementation *******************************************************************************/ package org.eclipse.team.svn.ui.lock; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IAction; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.team.svn.core.IStateFilter; import org.eclipse.team.svn.core.operation.AbstractActionOperation; import org.eclipse.team.svn.core.operation.CompositeOperation; import org.eclipse.team.svn.core.operation.IActionOperation; import org.eclipse.team.svn.core.resource.ILocalResource; import org.eclipse.team.svn.core.svnstorage.SVNRemoteStorage; import org.eclipse.team.svn.core.utility.ProgressMonitorUtility; import org.eclipse.team.svn.ui.AbstractSVNView; import org.eclipse.team.svn.ui.SVNTeamUIPlugin; import org.eclipse.team.svn.ui.SVNUIMessages; import org.eclipse.team.svn.ui.operation.ScanLocksOperation; import org.eclipse.team.svn.ui.operation.ScanLocksOperation.CreateLockResourcesHierarchyOperation; import org.eclipse.team.svn.ui.preferences.SVNTeamPreferences; import org.eclipse.team.svn.ui.utility.UIMonitorUtility; import org.eclipse.ui.IActionBars; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; /** * SVN Lock View * * Shows locks on files * * @author Igor Burilo */ public class LocksView extends AbstractSVNView { public static final String VIEW_ID = LocksView.class.getName(); protected LocksComposite locksComposite; protected Action linkWithEditorAction; protected Action linkWithEditorDropDownAction; public LocksView() { super(SVNUIMessages.LocksView_SVNLocks); } public void createPartControl(Composite parent) { super.createPartControl(parent); this.isLinkWithEditorEnabled = SVNTeamPreferences.getPropertiesBoolean( SVNTeamUIPlugin.instance().getPreferenceStore(), SVNTeamPreferences.LOCKS_LINK_WITH_EDITOR_NAME); this.locksComposite = new LocksComposite(parent); this.locksComposite.setLayoutData(new GridData(GridData.FILL_BOTH)); this.refresh(); this.createActionBars(); //Setting context help PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, "org.eclipse.team.svn.help.locksViewContext"); //$NON-NLS-1$ } protected void createActionBars() { //drop-down menu IActionBars actionBars = this.getViewSite().getActionBars(); IMenuManager actionBarsMenu = actionBars.getMenuManager(); this.linkWithEditorDropDownAction = new Action(SVNUIMessages.SVNView_LinkWith_Label, Action.AS_CHECK_BOX) { public void run() { LocksView.this.linkWithEditor(); LocksView.this.linkWithEditorAction.setChecked(LocksView.this.isLinkWithEditorEnabled); } }; this.linkWithEditorDropDownAction.setChecked(this.isLinkWithEditorEnabled); actionBarsMenu.add(this.linkWithEditorDropDownAction); IToolBarManager tbm = actionBars.getToolBarManager(); tbm.removeAll(); Action action = new Action(SVNUIMessages.SVNView_Refresh_Label) { public void run() { LocksView.this.refresh(); } }; action.setImageDescriptor(SVNTeamUIPlugin.instance().getImageDescriptor("icons/common/refresh.gif")); //$NON-NLS-1$ tbm.add(action); tbm.add(this.getLinkWithEditorAction()); tbm.update(true); this.getSite().getPage().addSelectionListener(this.selectionListener); } protected Action getLinkWithEditorAction() { this.linkWithEditorAction = new Action(SVNUIMessages.SVNView_LinkWith_Label, IAction.AS_CHECK_BOX) { public void run() { LocksView.this.linkWithEditor(); LocksView.this.linkWithEditorDropDownAction.setChecked(LocksView.this.isLinkWithEditorEnabled); } }; this.linkWithEditorAction.setToolTipText(SVNUIMessages.SVNView_LinkWith_ToolTip); this.linkWithEditorAction.setDisabledImageDescriptor( SVNTeamUIPlugin.instance().getImageDescriptor("icons/views/history/link_with_disabled.gif")); //$NON-NLS-1$ this.linkWithEditorAction.setHoverImageDescriptor( SVNTeamUIPlugin.instance().getImageDescriptor("icons/views/history/link_with.gif")); //$NON-NLS-1$ this.linkWithEditorAction.setChecked(this.isLinkWithEditorEnabled); return this.linkWithEditorAction; } protected void linkWithEditor() { this.isLinkWithEditorEnabled = !this.isLinkWithEditorEnabled; IPreferenceStore store = SVNTeamUIPlugin.instance().getPreferenceStore(); SVNTeamPreferences.setPropertiesBoolean(store, SVNTeamPreferences.LOCKS_LINK_WITH_EDITOR_NAME, this.isLinkWithEditorEnabled); if (this.isLinkWithEditorEnabled) { this.editorActivated(this.getSite().getPage().getActiveEditor()); } } protected void updateViewInput(IResource resource) { ILocalResource local = SVNRemoteStorage.instance().asLocalResource(resource); if (IStateFilter.SF_VERSIONED.accept(local)) { if (resource.equals(this.wcResource)) { return; } this.setResource(resource); } } public void setResourceWithoutActionExecution(IResource resource) { this.wcResource = resource; this.locksComposite.setResource(resource); } public void setResource(IResource resource) { this.setResourceWithoutActionExecution(resource); this.refresh(); } public IActionOperation getUpdateViewOperation() { CompositeOperation op = null; if (this.wcResource != null) { ScanLocksOperation mainOp = new ScanLocksOperation(new IResource[] { this.wcResource }); op = new CompositeOperation(mainOp.getId(), mainOp.getMessagesClass()); op.add(new AbstractActionOperation("", SVNUIMessages.class) { //$NON-NLS-1$ protected void runImpl(IProgressMonitor monitor) throws Exception { //set pending LocksView.this.locksComposite.setPending(true); LocksView.this.getSite().getShell().getDisplay().syncExec(new Runnable() { public void run() { LocksView.this.showResourceLabel(); LocksView.this.locksComposite.initializeComposite(); } }); } }); op.add(mainOp); /* * As we don't want that scan locks operation to write in console, pass console stream as null. * Scan locks operation writes only last notification in status, which is not useful info * so we disable it. */ mainOp.setConsoleStream(null); final CreateLockResourcesHierarchyOperation createHierarchyOp = new CreateLockResourcesHierarchyOperation( mainOp); op.add(createHierarchyOp, new IActionOperation[] { mainOp }); //update composite op.add(new AbstractActionOperation("", SVNUIMessages.class) { //$NON-NLS-1$ protected void runImpl(IProgressMonitor monitor) throws Exception { LocksView.this.locksComposite.setRootLockResource(createHierarchyOp.getLockResourceRoot()); UIMonitorUtility.getDisplay().syncExec(new Runnable() { public void run() { LocksView.this.locksComposite.setPending(false); LocksView.this.locksComposite.initializeComposite(); } }); } }, new IActionOperation[] { createHierarchyOp }); } return op; } public void refresh() { IActionOperation op = this.getUpdateViewOperation(); if (op != null) { ProgressMonitorUtility.doTaskScheduled(op, false); } } protected void disconnectView() { this.locksComposite.disconnectComposite(); this.wcResource = null; } protected boolean needsLinkWithEditorAndSelection() { return true; } public void setFocus() { } public static LocksView instance() { final LocksView[] view = new LocksView[1]; UIMonitorUtility.getDisplay().syncExec(new Runnable() { public void run() { IWorkbenchWindow window = SVNTeamUIPlugin.instance().getWorkbench().getActiveWorkbenchWindow(); if (window != null && window.getActivePage() != null) { view[0] = (LocksView) window.getActivePage().findView(LocksView.VIEW_ID); } } }); return view[0]; } }