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: * Alexander Gurov - Initial API and implementation *******************************************************************************/ package org.eclipse.team.svn.ui.composite; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.team.svn.core.connector.SVNRevision; import org.eclipse.team.svn.core.connector.SVNRevisionRange; 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.dialog.DefaultDialog; import org.eclipse.team.svn.ui.panel.common.RepositoryTreePanel; import org.eclipse.team.svn.ui.verifier.AbsolutePathVerifier; import org.eclipse.team.svn.ui.verifier.CompositeVerifier; import org.eclipse.team.svn.ui.verifier.IValidationManager; import org.eclipse.team.svn.ui.verifier.NonEmptyFieldVerifier; import org.eclipse.team.svn.ui.verifier.URLVerifier; /** * Repository resource selection composite * * @author Alexander Gurov */ public class RepositoryResourceSelectionComposite extends RepositoryResourceBaseSelectionComposite { public static final int MODE_DEFAULT = 0; public static final int MODE_TWO = 1; public static final int MODE_CHECK = 2; public static final int TEXT_NONE = 0; public static final int TEXT_BASE = 1; public static final int TEXT_LAST = 2; protected RevisionComposite revisionComposite; protected RevisionComposite secondRevisionComposite; protected boolean stopOnCopy; protected boolean toFilterCurrent; protected int mode; protected int defaultTextType; public RepositoryResourceSelectionComposite(Composite parent, int style, IValidationManager validationManager, String historyKey, IRepositoryResource baseResource, boolean stopOnCopy, String selectionTitle, String selectionDescription, int mode, int defaultTextType) { this(parent, style, validationManager, historyKey, "RepositoryResourceSelectionComposite_URL", baseResource, //$NON-NLS-1$ stopOnCopy, selectionTitle, selectionDescription, mode, defaultTextType); } public RepositoryResourceSelectionComposite(Composite parent, int style, IValidationManager validationManager, String historyKey, String comboId, IRepositoryResource baseResource, boolean stopOnCopy, String selectionTitle, String selectionDescription, int mode, int defaultTextType) { super(parent, style, validationManager, historyKey, comboId, baseResource, selectionTitle, selectionDescription); this.stopOnCopy = stopOnCopy; this.toFilterCurrent = false; this.mode = mode; this.defaultTextType = defaultTextType; this.createControls(defaultTextType); } protected void setBaseResourceImpl() { if (this.revisionComposite != null) { this.revisionComposite.setBaseResource(this.baseResource); } if (this.secondRevisionComposite != null) { this.secondRevisionComposite.setBaseResource(this.baseResource); } if (this.defaultTextType == RepositoryResourceSelectionComposite.TEXT_BASE && this.baseResource != null) { super.setBaseResourceImpl(); } } public void setFilterCurrent(boolean toFilter) { this.toFilterCurrent = toFilter; this.revisionComposite.setFilterCurrent(this.toFilterCurrent); } public boolean isReverseRevisions() { return this.revisionComposite.isReverseRevisions(); } public boolean isReverseSecondResourceRevisions() { return this.secondRevisionComposite != null ? this.secondRevisionComposite.isReverseRevisions() : false; } public IRepositoryResource getSelectedResource() { IRepositoryResource resource = super.getSelectedResource(); resource.setSelectedRevision(this.revisionComposite.getSelectedRevision()); return resource; } public IRepositoryResource getSecondSelectedResource() { if (this.secondRevisionComposite == null) { return null; } IRepositoryResource resource = super.getSelectedResource(); resource.setSelectedRevision(this.secondRevisionComposite.getSelectedRevision()); return resource; } public SVNRevisionRange[] getSelectedRevisions() { if (this.mode == MODE_CHECK) { return this.revisionComposite.getSelectedRevisions(); } SVNRevision first = this.getSelectedResource().getSelectedRevision(); SVNRevision second = this.getSecondSelectedRevision(); return new SVNRevisionRange[] { new SVNRevisionRange(first, second == null ? first : second) }; } public SVNRevision getStartRevision() { return this.revisionComposite.getSelectedRevision(); } public SVNRevision getSecondSelectedRevision() { if (this.secondRevisionComposite == null) { return null; } return this.secondRevisionComposite.getSelectedRevision(); } public void setCurrentRevision(long currentRevision) { this.revisionComposite.setCurrentRevision(currentRevision); } public void setEnabled(boolean enabled) { super.setEnabled(enabled); this.revisionComposite.setEnabled(enabled); if (this.secondRevisionComposite != null) { this.secondRevisionComposite.setEnabled(enabled); } } private void createControls(int defaultTextType) { GridLayout layout = null; GridData data = null; layout = new GridLayout(); layout.numColumns = 2; layout.marginHeight = layout.marginWidth = 0; this.setLayout(layout); Label urlLabel = new Label(this, SWT.NONE); urlLabel.setLayoutData(new GridData()); urlLabel.setText(SVNUIMessages.getString(this.comboId)); Composite select = new Composite(this, SWT.NONE); layout = new GridLayout(); layout.numColumns = 2; layout.marginHeight = 0; layout.marginWidth = 0; select.setLayout(layout); data = new GridData(GridData.FILL_HORIZONTAL); select.setLayoutData(data); this.urlText = new Combo(select, SWT.NULL); 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()); if (defaultTextType == RepositoryResourceSelectionComposite.TEXT_BASE && this.baseResource != null) { this.urlText.setText(this.baseResource.getUrl()); } else if (defaultTextType == RepositoryResourceSelectionComposite.TEXT_LAST && this.urlText.getItemCount() > 0) { this.urlText.select(0); } this.url = this.urlText.getText(); Listener urlTextListener = new Listener() { public void handleEvent(Event e) { RepositoryResourceSelectionComposite.this.url = ((Combo) e.widget).getText(); if (RepositoryResourceSelectionComposite.this.isSelectionAvailable()) { RepositoryResourceSelectionComposite.this.revisionComposite .setSelectedResource(RepositoryResourceSelectionComposite.this.getSelectedResource()); boolean toFilter = RepositoryResourceSelectionComposite.this.toFilterCurrent && RepositoryResourceSelectionComposite.this.baseResource != null && (RepositoryResourceSelectionComposite.this.getSelectedResource().getUrl() .equals(RepositoryResourceSelectionComposite.this.baseResource.getUrl()) || RepositoryResourceSelectionComposite.this.getSelectedResource().getUrl() .equals(RepositoryResourceSelectionComposite.this.baseResource.getUrl() + "/")); //$NON-NLS-1$ RepositoryResourceSelectionComposite.this.revisionComposite.setFilterCurrent(toFilter); if (RepositoryResourceSelectionComposite.this.secondRevisionComposite != null) { RepositoryResourceSelectionComposite.this.secondRevisionComposite.setSelectedResource( RepositoryResourceSelectionComposite.this.getSecondSelectedResource()); RepositoryResourceSelectionComposite.this.secondRevisionComposite .setFilterCurrent(toFilter); } } } }; this.urlText.addListener(SWT.Modify, urlTextListener); this.urlText.addListener(SWT.Selection, urlTextListener); this.verifier = new CompositeVerifier() { protected void fireError(String errorReason) { RepositoryResourceSelectionComposite.this.revisionComposite.setEnabled(false); if (RepositoryResourceSelectionComposite.this.secondRevisionComposite != null) { RepositoryResourceSelectionComposite.this.secondRevisionComposite.setEnabled(false); } super.fireError(errorReason); } protected void fireOk() { RepositoryResourceSelectionComposite.this.revisionComposite.setEnabled(true); if (RepositoryResourceSelectionComposite.this.secondRevisionComposite != null) { RepositoryResourceSelectionComposite.this.secondRevisionComposite.setEnabled(true); } super.fireOk(); } }; this.verifier.add(new NonEmptyFieldVerifier(SVNUIMessages.getString(this.comboId + "_Verifier"))); //$NON-NLS-1$ this.verifier.add(new URLVerifier(SVNUIMessages.getString(this.comboId + "_Verifier")) { //$NON-NLS-1$ protected String getErrorMessage(Control input) { String error = super.getErrorMessage(input); if (RepositoryResourceSelectionComposite.this.baseResource != null && error == null) { String url = this.getText(input); if (RepositoryResourceSelectionComposite.this.getDestination(SVNUtility.asEntryReference(url), true) == null) { error = SVNUIMessages.format( SVNUIMessages.RepositoryResourceSelectionComposite_URL_Verifier_Error, new String[] { url, RepositoryResourceSelectionComposite.this.baseResource .getRepositoryLocation().getUrl() }); } } return error; } }); this.verifier.add(new AbsolutePathVerifier(this.comboId)); this.validationManager.attachTo(this.urlText, this.verifier); this.browse = new Button(select, 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) { RepositoryTreePanel panel = new RepositoryTreePanel( SVNUIMessages.RepositoryResourceSelectionComposite_Select_Title, RepositoryResourceSelectionComposite.this.selectionTitle, RepositoryResourceSelectionComposite.this.selectionDescription, RepositoryResourceSelectionComposite.this.baseResource == null ? new IRepositoryResource[0] : new IRepositoryResource[] { RepositoryResourceSelectionComposite.this.getSelectedResource() }, true, true); panel.setAllowFiles(!RepositoryResourceSelectionComposite.this.foldersOnly); DefaultDialog browser = new DefaultDialog(RepositoryResourceSelectionComposite.this.getShell(), panel); if (browser.open() == 0) { IRepositoryResource selectedResource = panel.getSelectedResource(); boolean samePeg = RepositoryResourceSelectionComposite.this.baseResource != null && selectedResource.getPegRevision().equals( RepositoryResourceSelectionComposite.this.baseResource.getPegRevision()); RepositoryResourceSelectionComposite.this.urlText.setText(samePeg ? selectedResource.getUrl() : SVNUtility.getEntryReference(selectedResource).toString()); RepositoryResourceSelectionComposite.this.revisionComposite .setSelectedResource(selectedResource); if (RepositoryResourceSelectionComposite.this.secondRevisionComposite != null) { RepositoryResourceSelectionComposite.this.secondRevisionComposite .setSelectedResource(selectedResource); } RepositoryResourceSelectionComposite.this.validationManager.validateContent(); } } }); Composite revisions = new Composite(this, SWT.NONE); layout = new GridLayout(); layout.marginHeight = layout.marginWidth = 0; layout.numColumns = 2; revisions.setLayout(layout); data = new GridData(GridData.FILL_HORIZONTAL); data.horizontalSpan = 2; revisions.setLayoutData(data); String revTitle = SVNUIMessages.RevisionComposite_Revision; if (this.mode == MODE_TWO) { revTitle = SVNUIMessages.RepositoryResourceSelectionComposite_StartRevision; } else if (this.mode == MODE_CHECK) { revTitle = SVNUIMessages.RevisionComposite_Revisions; } String revHeadName = this.mode == MODE_CHECK ? SVNUIMessages.RevisionComposite_All : SVNUIMessages.RevisionComposite_HeadRevision; this.revisionComposite = new RevisionComposite(revisions, this.validationManager, this.stopOnCopy, new String[] { revTitle, revHeadName }, SVNRevision.HEAD, this.mode == MODE_CHECK) { public void additionalValidation() { RepositoryResourceSelectionComposite.this.validateRevisions(); } }; data = new GridData(GridData.FILL_HORIZONTAL); data.horizontalSpan = this.mode == MODE_TWO ? 1 : 2; this.revisionComposite.setLayoutData(data); this.revisionComposite.setBaseResource(this.baseResource); if (this.baseResource != null) { this.revisionComposite.setSelectedResource(this.getSelectedResource()); } if (this.mode == MODE_TWO) { this.secondRevisionComposite = new RevisionComposite(revisions, this.validationManager, this.stopOnCopy, new String[] { SVNUIMessages.RepositoryResourceSelectionComposite_StopRevision, SVNUIMessages.RepositoryResourceSelectionComposite_HeadRevision }, SVNRevision.HEAD, false) { public void additionalValidation() { RepositoryResourceSelectionComposite.this.validateRevisions(); } }; data = new GridData(GridData.FILL_HORIZONTAL); this.secondRevisionComposite.setLayoutData(data); this.secondRevisionComposite.setBaseResource(this.baseResource); this.secondRevisionComposite.setSelectedResource(this.getSelectedResource()); } } protected void validateRevisions() { if ((this.mode & MODE_TWO) != 0) { this.validationManager.validateContent(); } } }