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.panel.view.property; import java.net.MalformedURLException; import java.net.URL; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.IPath; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Text; import org.eclipse.team.svn.core.connector.SVNRevision; import org.eclipse.team.svn.core.extension.CoreExtensionsManager; import org.eclipse.team.svn.core.extension.factory.ISVNConnectorFactory; import org.eclipse.team.svn.core.resource.IRepositoryFolder; import org.eclipse.team.svn.core.resource.IRepositoryResource; import org.eclipse.team.svn.core.utility.SVNUtility; import org.eclipse.team.svn.ui.SVNUIMessages; import org.eclipse.team.svn.ui.composite.RevisionComposite; import org.eclipse.team.svn.ui.dialog.DefaultDialog; import org.eclipse.team.svn.ui.panel.AbstractDialogPanel; import org.eclipse.team.svn.ui.utility.UserInputHistory; import org.eclipse.team.svn.ui.verifier.AbstractFormattedVerifier; import org.eclipse.team.svn.ui.verifier.CompositeVerifier; import org.eclipse.team.svn.ui.verifier.NonEmptyFieldVerifier; import org.eclipse.team.svn.ui.verifier.URLVerifier; import org.eclipse.team.svn.ui.wizard.SelectRepositoryResourceWizard; /** * Set externals property panel * * @author Igor Burilo */ public class ExternalsEditPanel extends AbstractDialogPanel { protected IResource resource; protected IRepositoryResource repositoryResource; protected Combo urlText; protected Button browse; protected UserInputHistory urlHistory; protected String comboId; protected Button folderButton; protected Text localPathText; protected RevisionComposite revisionComposite; protected Button priorToSVN15FormatButton; protected Combo relativeText; protected Button formatButton; protected String localPath; protected boolean priorToSVN15Format; protected String url; protected SVNRevision revision; protected boolean isFolder; protected String processedUrl; protected IRepositoryResource repositoryResourceForUrl; protected final static int REPOSITORY_ROOT_INDEX = 0; protected final static int URL_SCHEME_INDEX = 1; protected final static int HOST_NAME_INDEX = 2; protected final static int EXTERNAL_DIRECTORY_INDEX = 3; public ExternalsEditPanel(String historyKey, String comboId, IResource resource, IRepositoryResource repositoryResource) { this.resource = resource; this.repositoryResource = repositoryResource; this.dialogTitle = SVNUIMessages.ExternalsEditPanel_DialogTitle; this.dialogDescription = SVNUIMessages.ExternalsEditPanel_DialogDescription; this.defaultMessage = SVNUIMessages.ExternalsEditPanel_DialogDefaultMessage; this.urlHistory = new UserInputHistory(historyKey); this.comboId = comboId; } protected void createControlsImpl(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.marginHeight = layout.marginWidth = 0; layout.numColumns = 3; composite.setLayout(layout); GridData data = new GridData(GridData.FILL_HORIZONTAL); composite.setLayoutData(data); this.createLocalPathSelectionControls(composite); this.createRepositoryResourceSelectionControls(composite); this.revisionComposite = new RevisionComposite(composite, this, true, new String[] { SVNUIMessages.RevisionComposite_Revision, SVNUIMessages.RepositoryResourceSelectionComposite_HeadRevision }, SVNRevision.INVALID_REVISION, false, false); data = new GridData(GridData.FILL_HORIZONTAL); data.horizontalSpan = 3; this.revisionComposite.setLayoutData(data); this.priorToSVN15FormatButton = new Button(composite, SWT.CHECK); data = new GridData(); data.horizontalSpan = 3; this.priorToSVN15FormatButton.setLayoutData(data); this.priorToSVN15FormatButton.setText(SVNUIMessages.ExternalsEditPanel_PriortoSVN15); this.priorToSVN15FormatButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ExternalsEditPanel.this.priorToSVN15Format = ExternalsEditPanel.this.priorToSVN15FormatButton .getSelection(); ExternalsEditPanel.this.enableFormatUrl(); ExternalsEditPanel.this.enableIsFolder(); ExternalsEditPanel.this.onChangeUrlText(); ExternalsEditPanel.this.validateContent(); } }); this.initValues(); } protected void initValues() { if (CoreExtensionsManager.instance().getSVNConnectorFactory() .getSVNAPIVersion() < ISVNConnectorFactory.APICompatibility.SVNAPI_1_5_x) { this.priorToSVN15Format = false; this.priorToSVN15FormatButton.setEnabled(this.priorToSVN15Format); } this.folderButton.setSelection(this.isFolder = true); this.enableIsFolder(); this.enableFormatUrl(); } protected void enableIsFolder() { if (this.isLessSVN16() || this.isPriorToSVN15Format()) { this.folderButton.setSelection(this.isFolder = true); this.folderButton.setEnabled(false); } else { this.folderButton.setEnabled(true); } } protected void enableFormatUrl() { boolean isEnable = false; if (!this.isPriorToSVN15Format() && CoreExtensionsManager.instance().getSVNConnectorFactory() .getSVNAPIVersion() > ISVNConnectorFactory.APICompatibility.SVNAPI_1_4_x) { //url is full and from the same repository isEnable = this.url != null && this.repositoryResourceForUrl != null && SVNUtility.isValidSVNURL(this.url) && this.repositoryResourceForUrl.getRepositoryLocation().getRepositoryRoot() .equals(this.repositoryResource.getRepositoryLocation().getRepositoryRoot()); } this.relativeText.setEnabled(isEnable); this.formatButton.setEnabled(isEnable); } protected void createLocalPathSelectionControls(Composite parent) { Label localPathLabel = new Label(parent, SWT.NONE); GridData data = new GridData(); localPathLabel.setLayoutData(data); localPathLabel.setText(SVNUIMessages.ExternalsEditPanel_LocalPathLabel); this.localPathText = new Text(parent, SWT.BORDER); data = new GridData(GridData.FILL_HORIZONTAL); this.localPathText.setLayoutData(data); this.localPathText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { ExternalsEditPanel.this.localPath = ExternalsEditPanel.this.localPathText.getText(); } }); this.folderButton = new Button(parent, SWT.CHECK); this.folderButton.setLayoutData(new GridData()); this.folderButton.setText(SVNUIMessages.ExternalsEditPanel_IsFolder); this.folderButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ExternalsEditPanel.this.isFolder = ExternalsEditPanel.this.folderButton.getSelection(); } }); } protected void createRepositoryResourceSelectionControls(Composite parent) { Label urlLabel = new Label(parent, SWT.NONE); urlLabel.setLayoutData(new GridData()); urlLabel.setText(SVNUIMessages.getString(this.comboId)); this.urlText = new Combo(parent, SWT.NULL); GridData data = new GridData(GridData.FILL_HORIZONTAL); data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH; this.urlText.setLayoutData(data); this.urlText.setVisibleItemCount(this.urlHistory.getDepth()); this.urlText.setItems(this.urlHistory.getHistory()); Listener urlTextListener = new Listener() { public void handleEvent(Event event) { ExternalsEditPanel.this.onChangeUrlText(); } }; this.urlText.addListener(SWT.Selection, urlTextListener); this.urlText.addListener(SWT.Modify, urlTextListener); this.browse = new Button(parent, SWT.PUSH); this.browse.setText(SVNUIMessages.Button_Browse); data = new GridData(); data.widthHint = DefaultDialog.computeButtonWidth(this.browse); this.browse.setLayoutData(data); this.browse.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ExternalsEditPanel.this.onRepositoryResourceSelection(); } }); //format url Label label = new Label(parent, SWT.NONE); label.setLayoutData(new GridData()); label.setText(SVNUIMessages.ExternalsEditPanel_FormatUrl); this.relativeText = new Combo(parent, SWT.READ_ONLY); data = new GridData(GridData.FILL_HORIZONTAL); data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH; this.relativeText.setLayoutData(data); this.relativeText.add(SVNUIMessages.ExternalsEditPanel_RelativeToRepositoryRoot, ExternalsEditPanel.REPOSITORY_ROOT_INDEX); this.relativeText.add(SVNUIMessages.ExternalsEditPanel_RelativeToUrlScheme, ExternalsEditPanel.URL_SCHEME_INDEX); this.relativeText.add(SVNUIMessages.ExternalsEditPanel_RelativeToHostName, ExternalsEditPanel.HOST_NAME_INDEX); this.relativeText.add(SVNUIMessages.ExternalsEditPanel_RelativeToDirectory, ExternalsEditPanel.EXTERNAL_DIRECTORY_INDEX); this.relativeText.setVisibleItemCount(4); this.relativeText.select(0); this.formatButton = new Button(parent, SWT.PUSH); this.formatButton.setText(SVNUIMessages.ExternalsEditPanel_FormatButton); data = new GridData(); data.widthHint = DefaultDialog.computeButtonWidth(this.formatButton); this.formatButton.setLayoutData(data); this.formatButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ExternalsEditPanel.this.formatUrl(); } }); CompositeVerifier urlVerifier = new CompositeVerifier() { @Override protected void fireError(String errorReason) { super.fireError(errorReason); ExternalsEditPanel.this.onUrlValidity(false); } @Override protected void fireOk() { super.fireOk(); ExternalsEditPanel.this.onUrlValidity(true); } }; urlVerifier.add(new NonEmptyFieldVerifier(SVNUIMessages.getString(this.comboId + "_Verifier"))); //$NON-NLS-1$ urlVerifier.add(new URLVerifier(SVNUIMessages.getString(this.comboId + "_Verifier")) { //$NON-NLS-1$ protected String getText(Control input) { return processedUrl != null ? processedUrl : url; } }); this.attachTo(this.urlText, urlVerifier); CompositeVerifier localPathVerifier = new CompositeVerifier(); localPathVerifier.add(new NonEmptyFieldVerifier(SVNUIMessages.ExternalsEditPanel_LocalPathLabel_Verifier)); //don't allow spaces if SVN < 1.6 localPathVerifier .add(new AbstractFormattedVerifier(SVNUIMessages.ExternalsEditPanel_LocalPathLabel_Verifier) { @Override protected String getErrorMessageImpl(Control input) { String text = this.getText(input); text = text.trim(); if (text.contains(" ") && ExternalsEditPanel.this.isLessSVN16()) { //$NON-NLS-1$ return SVNUIMessages.format(SVNUIMessages.Verifier_NoSpaces, new String[] { AbstractFormattedVerifier.FIELD_NAME }); } return null; } @Override protected String getWarningMessageImpl(Control input) { return null; } }); //TODO check that resource doesn't exist on file system ? this.attachTo(this.localPathText, localPathVerifier); } protected void onUrlValidity(boolean isValidUrl) { this.revisionComposite.setEnabled(isValidUrl); this.enableFormatUrl(); } protected void formatUrl() { String fullUrl = this.url.trim(); IPath fullUrlPath = SVNUtility.createPathForSVNUrl(fullUrl); int relativeIndex = this.relativeText.getSelectionIndex(); if (relativeIndex == ExternalsEditPanel.REPOSITORY_ROOT_INDEX) { IPath repositoryRoot = SVNUtility .createPathForSVNUrl(this.repositoryResource.getRepositoryLocation().getRepositoryRootUrl()); if (repositoryRoot.isPrefixOf(fullUrlPath)) { String relative = fullUrlPath.makeRelativeTo(repositoryRoot).toString(); this.urlText.setText("^/" + relative); //$NON-NLS-1$ } } else if (relativeIndex == ExternalsEditPanel.URL_SCHEME_INDEX) { int index = 0; if (fullUrl.startsWith("file:///")) { //$NON-NLS-1$ index = "file:///".length(); //$NON-NLS-1$ } else if (fullUrl.startsWith("file://")) { //$NON-NLS-1$ index = "file://".length(); //$NON-NLS-1$ } else if (fullUrl.startsWith("http://")) { //$NON-NLS-1$ index = "http://".length(); //$NON-NLS-1$ } else if (fullUrl.startsWith("https://")) { //$NON-NLS-1$ index = "https://".length(); //$NON-NLS-1$ } else if (fullUrl.startsWith("svn://")) { //$NON-NLS-1$ index = "svn://".length(); //$NON-NLS-1$ } else if (fullUrl.startsWith("svn+ssh://")) { //$NON-NLS-1$ index = "svn+ssh://".length(); //$NON-NLS-1$ } if (index != 0) { String relativaPath = "//" + fullUrl.substring(index); //$NON-NLS-1$ this.urlText.setText(relativaPath); } } else if (relativeIndex == ExternalsEditPanel.HOST_NAME_INDEX) { try { URL url = SVNUtility.getSVNUrl(fullUrl); String relativePath = url.getFile(); this.urlText.setText(relativePath); } catch (MalformedURLException me) { //ignore } } else if (relativeIndex == ExternalsEditPanel.EXTERNAL_DIRECTORY_INDEX) { //find common path IPath resourcePath = SVNUtility.createPathForSVNUrl(this.repositoryResource.getUrl()); IPath commonPath = resourcePath; int relativeSegmentsCount = 0; do { commonPath = commonPath.removeLastSegments(1); relativeSegmentsCount++; } while (!commonPath.isPrefixOf(fullUrlPath) && !commonPath.isEmpty()); if (!commonPath.isEmpty()) { StringBuffer relativePath = new StringBuffer(); for (int i = 0; i < relativeSegmentsCount; i++) { relativePath.append("../"); //$NON-NLS-1$ } relativePath.append(fullUrlPath.makeRelativeTo(commonPath).toString()); this.urlText.setText(relativePath.toString()); } } } protected void onChangeUrlText() { this.url = this.urlText.getText(); if (!this.isPriorToSVN15Format() && CoreExtensionsManager.instance().getSVNConnectorFactory() .getSVNAPIVersion() > ISVNConnectorFactory.APICompatibility.SVNAPI_1_4_x) { try { this.processedUrl = SVNUtility.replaceRelativeExternalParts(this.url, this.repositoryResource); } catch (Exception e) { this.processedUrl = null; } } else { this.processedUrl = this.url; } this.repositoryResourceForUrl = this.processedUrl != null ? SVNUtility.asRepositoryResource(this.processedUrl, this.isFolder) : null; this.revisionComposite.setSelectedResource(this.repositoryResourceForUrl); } protected void onRepositoryResourceSelection() { SelectRepositoryResourceWizard wizard; if (this.isFolder) { wizard = new SelectRepositoryResourceWizard(this.isFolder); } else { wizard = new SelectRepositoryResourceWizard(this.isFolder, this.repositoryResource.getRepositoryLocation()); } WizardDialog dialog = new WizardDialog(this.manager.getShell(), wizard); if (dialog.open() == 0) { IRepositoryResource resource = wizard.getSelectedResource(); this.folderButton.setSelection(resource instanceof IRepositoryFolder); this.urlText.setText(resource.getUrl()); } } public String getHelpId() { return "org.eclipse.team.svn.help.setExternalsDialogContext"; //$NON-NLS-1$ } protected void saveChangesImpl() { this.revision = this.revisionComposite.getSelectedRevision(); this.urlHistory.addLine(this.urlText.getText()); } protected void cancelChangesImpl() { } protected boolean isLessSVN16() { return CoreExtensionsManager.instance().getSVNConnectorFactory() .getSVNAPIVersion() < ISVNConnectorFactory.APICompatibility.SVNAPI_1_6_x; } public String getLocalPath() { return this.localPath; } public boolean isPriorToSVN15Format() { return this.priorToSVN15Format; } public String getUrl() { return this.url; } public SVNRevision getRevision() { return this.revision; } public boolean isFolder() { return this.isFolder; } @Override protected Point getPrefferedSizeImpl() { return new Point(520, SWT.DEFAULT); } }