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: * Sergiy Logvin (Polarion Software) - initial API and implementation *******************************************************************************/ package org.eclipse.team.svn.ui.panel.view.property; import java.util.Arrays; import java.util.List; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IResource; import org.eclipse.jface.viewers.CheckStateChangedEvent; import org.eclipse.jface.viewers.CheckboxTableViewer; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.ICheckStateListener; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.graphics.Image; 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.TableColumn; import org.eclipse.team.svn.core.IStateFilter; import org.eclipse.team.svn.core.connector.SVNProperty; import org.eclipse.team.svn.core.connector.SVNProperty.BuiltIn; import org.eclipse.team.svn.core.operation.CompositeOperation; import org.eclipse.team.svn.core.operation.local.RefreshResourcesOperation; import org.eclipse.team.svn.core.operation.local.property.IPropertyProvider; import org.eclipse.team.svn.core.operation.local.property.SetMultiPropertiesOperation; import org.eclipse.team.svn.core.resource.ILocalResource; import org.eclipse.team.svn.core.resource.IResourceProvider; import org.eclipse.team.svn.core.utility.FileUtility; import org.eclipse.team.svn.core.utility.StringMatcher; import org.eclipse.team.svn.ui.SVNUIMessages; import org.eclipse.team.svn.ui.dialog.DefaultDialog; import org.eclipse.team.svn.ui.panel.AbstractDialogPanel; import org.eclipse.team.svn.ui.utility.ArrayStructuredContentProvider; import org.eclipse.team.svn.ui.utility.UIMonitorUtility; import org.eclipse.team.svn.ui.utility.UserInputHistory; import org.eclipse.team.svn.ui.verifier.AbstractVerifierProxy; import org.eclipse.team.svn.ui.verifier.NonEmptyFieldVerifier; /** * Keyword property edit panel * * @author Sergiy Logvin */ public class PropertyKeywordEditPanel extends AbstractDialogPanel { protected CheckboxTableViewer checkboxViewer; protected Button setRecursivelyCheckbox; protected Button useMaskCheckbox; protected Combo maskText; protected IResource[] selectedResources; protected IResource[] alreadyWithProperties; protected IPropertyProvider properties; protected boolean recursionEnabled; protected boolean setRecursively; protected String mask; protected boolean useMask; protected boolean computeStates; protected KeywordTableElement dateElement; protected KeywordTableElement revisionElement; protected KeywordTableElement lastChangedByElement; protected KeywordTableElement headUrlElement; protected KeywordTableElement idElement; protected KeywordTableElement headerElement; protected UserInputHistory maskHistory; public PropertyKeywordEditPanel(IResource[] selection, IResourceProvider alreadyWithProperties, IPropertyProvider properties) { super(); this.selectedResources = selection; this.properties = properties; this.alreadyWithProperties = alreadyWithProperties == null ? new IResource[0] : alreadyWithProperties.getResources(); this.recursionEnabled = FileUtility.checkForResourcesPresence(selection, new IStateFilter.AbstractStateFilter() { protected boolean allowsRecursionImpl(ILocalResource local, IResource resource, String state, int mask) { return false; } protected boolean acceptImpl(ILocalResource local, IResource resource, String state, int mask) { return resource instanceof IContainer; } }, IResource.DEPTH_ZERO); this.dialogTitle = SVNUIMessages.PropertyKeywordEditPanel_Title; this.dialogDescription = SVNUIMessages.PropertyKeywordEditPanel_Description; this.defaultMessage = this.alreadyWithProperties.length > 1 ? SVNUIMessages.PropertyKeywordEditPanel_Message_Single : SVNUIMessages.PropertyKeywordEditPanel_Message_Multi; this.initializeKeywordElements(); } public void createControlsImpl(Composite parent) { Composite composite = new Composite(parent, SWT.NULL); GridLayout layout = new GridLayout(); layout.marginHeight = layout.marginWidth = 0; composite.setLayout(layout); composite.setLayoutData(new GridData(GridData.FILL_BOTH)); this.checkboxViewer = CheckboxTableViewer.newCheckList(composite, SWT.BORDER | SWT.FULL_SELECTION); GridData data = new GridData(GridData.FILL_BOTH); this.checkboxViewer.getTable().setLayoutData(data); TableLayout tlayout = new TableLayout(); this.checkboxViewer.getTable().setLayout(tlayout); TableColumn column = new TableColumn(this.checkboxViewer.getTable(), SWT.LEFT); column.setText(SVNUIMessages.PropertyKeywordEditPanel_Keyword); tlayout.addColumnData(new ColumnWeightData(20, true)); column = new TableColumn(this.checkboxViewer.getTable(), SWT.LEFT); column.setText(SVNUIMessages.PropertyKeywordEditPanel_Description1); tlayout.addColumnData(new ColumnWeightData(50, true)); column = new TableColumn(this.checkboxViewer.getTable(), SWT.LEFT); column.setText(SVNUIMessages.PropertyKeywordEditPanel_Sample); tlayout.addColumnData(new ColumnWeightData(30, true)); KeywordTableElement[] elements = new KeywordTableElement[] { this.dateElement, this.revisionElement, this.lastChangedByElement, this.headUrlElement, this.idElement, this.headerElement }; this.checkboxViewer.setContentProvider(new ArrayStructuredContentProvider()); this.checkboxViewer.addCheckStateListener(new ICheckStateListener() { public void checkStateChanged(CheckStateChangedEvent event) { KeywordTableElement element = (KeywordTableElement) event.getElement(); if (element.getCurrentState() == KeywordTableElement.DESELECTED) { element.setCurrentState(KeywordTableElement.SELECTED); } else if ((element.getCurrentState() == KeywordTableElement.SELECTED) && (element.getInitialState() == KeywordTableElement.MIXED)) { element.setCurrentState(KeywordTableElement.MIXED); } else { element.setCurrentState(KeywordTableElement.DESELECTED); } PropertyKeywordEditPanel.this.refreshCheckboxState(element); } }); this.checkboxViewer.setLabelProvider(new ITableLabelProvider() { public Image getColumnImage(Object element, int columnIndex) { return null; } public String getColumnText(Object element, int columnIndex) { KeywordTableElement keyElement = (KeywordTableElement) element; switch (columnIndex) { case 0: { return keyElement.getName(); } case 1: { return keyElement.getDescription(); } case 2: { return keyElement.getSample(); } default: { return ""; //$NON-NLS-1$ } } } public void addListener(ILabelProviderListener listener) { } public void dispose() { } public boolean isLabelProperty(Object element, String property) { return false; } public void removeListener(ILabelProviderListener listener) { } }); this.checkboxViewer.setInput(elements); this.checkboxViewer.getTable().setHeaderVisible(true); this.addSelectionButtons(composite); if (this.recursionEnabled || this.selectedResources.length > 1) { Label separator = new Label(composite, SWT.HORIZONTAL | SWT.SEPARATOR); separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); separator = new Label(composite, SWT.HORIZONTAL | SWT.SEPARATOR); separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); separator.setVisible(false); Composite subComposite = new Composite(composite, SWT.NONE); layout = new GridLayout(); layout.marginHeight = layout.marginWidth = 0; layout.numColumns = 2; subComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); subComposite.setLayout(layout); Composite maskComposite = new Composite(subComposite, SWT.NONE); layout = new GridLayout(); layout.marginHeight = layout.marginWidth = 0; layout.numColumns = 2; maskComposite.setLayout(layout); maskComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); this.useMaskCheckbox = new Button(maskComposite, SWT.CHECK); this.useMaskCheckbox.setText(SVNUIMessages.PropertyKeywordEditPanel_UseMask); this.maskHistory = new UserInputHistory("keywordsEditPanel"); //$NON-NLS-1$ this.maskText = new Combo(maskComposite, SWT.BORDER); this.maskText.setItems(this.maskHistory.getHistory()); if (this.maskText.getItemCount() == 0) { this.maskText.setText("*"); //$NON-NLS-1$ } else { this.maskText.select(0); } Listener maskTextListener = new Listener() { public void handleEvent(Event event) { PropertyKeywordEditPanel.this.checkboxViewer.setAllGrayed(false); PropertyKeywordEditPanel.this.changeMixedElementsToChecked(); } }; this.maskText.addListener(SWT.Selection, maskTextListener); this.maskText.addListener(SWT.Modify, maskTextListener); this.attachTo(this.maskText, new AbstractVerifierProxy( new NonEmptyFieldVerifier(SVNUIMessages.PropertyKeywordEditPanel_Mask_Verifier)) { protected boolean isVerificationEnabled(Control input) { return PropertyKeywordEditPanel.this.useMaskCheckbox.getSelection(); } }); data = new GridData(); data.widthHint = 170; this.maskText.setLayoutData(data); this.maskText.setEnabled(false); this.useMaskCheckbox.addSelectionListener(new SelectionListener() { public void widgetSelected(SelectionEvent e) { PropertyKeywordEditPanel.this.maskText .setEnabled(PropertyKeywordEditPanel.this.useMaskCheckbox.getSelection()); PropertyKeywordEditPanel.this.checkboxViewer.setAllGrayed(false); PropertyKeywordEditPanel.this.changeMixedElementsToChecked(); PropertyKeywordEditPanel.this.validateContent(); } public void widgetDefaultSelected(SelectionEvent e) { } }); if (this.recursionEnabled) { this.setRecursivelyCheckbox = new Button(subComposite, SWT.CHECK); this.setRecursivelyCheckbox.setText(SVNUIMessages.PropertyKeywordEditPanel_Recursively); this.setRecursivelyCheckbox .setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.HORIZONTAL_ALIGN_END)); this.setRecursivelyCheckbox.setSelection(true); this.setRecursivelyCheckbox.addSelectionListener(new SelectionListener() { public void widgetSelected(SelectionEvent e) { PropertyKeywordEditPanel.this.checkboxViewer.setAllGrayed(false); PropertyKeywordEditPanel.this.changeMixedElementsToChecked(); } public void widgetDefaultSelected(SelectionEvent e) { } }); } } for (int i = 0; i < elements.length; i++) { this.refreshCheckboxState(elements[i]); } } public String getHelpId() { return "org.eclipse.team.svn.help.setKeysDialogContext"; //$NON-NLS-1$ } public void performKeywordChanges() { //if filtration by mask is enabled - remove all non-matching resources from the operable map IStateFilter filter = IStateFilter.SF_EXCLUDE_PREREPLACED_AND_DELETED_FILES; if (this.useMask) { filter = new IStateFilter.AbstractStateFilter() { private StringMatcher fileNameMatcher = new StringMatcher(PropertyKeywordEditPanel.this.mask); protected boolean allowsRecursionImpl(ILocalResource local, IResource resource, String state, int mask) { return IStateFilter.SF_EXCLUDE_PREREPLACED_AND_DELETED.allowsRecursion(resource, state, mask); } protected boolean acceptImpl(ILocalResource local, IResource resource, String state, int mask) { if (!IStateFilter.SF_EXCLUDE_PREREPLACED_AND_DELETED_FILES.accept(resource, state, mask)) { return false; } return this.fileNameMatcher.match(resource.getName()); } }; } IResourceProvider resourceProvider = new IResourceProvider() { public IResource[] getResources() { return PropertyKeywordEditPanel.this.selectedResources; } }; IPropertyProvider propertyProvider = new IPropertyProvider() { public SVNProperty[] getProperties(IResource resource) { SVNProperty[] retVal = PropertyKeywordEditPanel.this.properties == null ? null : PropertyKeywordEditPanel.this.properties.getProperties(resource); if (retVal == null) { retVal = new SVNProperty[1]; } SVNKeywordProperty keyProperty = new SVNKeywordProperty(retVal[0] == null ? null : retVal[0].value); PropertyKeywordEditPanel.this.configureProperty(keyProperty); retVal[0] = new SVNProperty(BuiltIn.KEYWORDS, keyProperty.toString()); return retVal; } }; CompositeOperation composite = new CompositeOperation("Operation_SetKeywords", SVNUIMessages.class); //$NON-NLS-1$ composite.add(new SetMultiPropertiesOperation(resourceProvider, propertyProvider, filter, this.recursionEnabled && this.setRecursively ? IResource.DEPTH_INFINITE : IResource.DEPTH_ONE)); composite.add(new RefreshResourcesOperation(resourceProvider)); UIMonitorUtility.doTaskScheduledActive(composite); } protected void configureProperty(SVNKeywordProperty keyProperty) { keyProperty.setDateEnabled(this.dateElement.getCurrentState() == KeywordTableElement.SELECTED ? true : (this.dateElement.getCurrentState() == KeywordTableElement.DESELECTED ? false : keyProperty.isDateEnabled())); keyProperty.setRevisionEnabled(this.revisionElement.getCurrentState() == KeywordTableElement.SELECTED ? true : (this.revisionElement.getCurrentState() == KeywordTableElement.DESELECTED ? false : keyProperty.isLastChangedByEnabled())); keyProperty.setLastChangedByEnabled( this.lastChangedByElement.getCurrentState() == KeywordTableElement.SELECTED ? true : (this.lastChangedByElement.getCurrentState() == KeywordTableElement.DESELECTED ? false : keyProperty.isLastChangedByEnabled())); keyProperty.setHeadUrlEnabled(this.headUrlElement.getCurrentState() == KeywordTableElement.SELECTED ? true : (this.headUrlElement.getCurrentState() == KeywordTableElement.DESELECTED ? false : keyProperty.isHeadUrlEnabled())); keyProperty.setIdEnabled(this.idElement.getCurrentState() == KeywordTableElement.SELECTED ? true : (this.idElement.getCurrentState() == KeywordTableElement.DESELECTED ? false : keyProperty.isIdEnabled())); keyProperty.setHeaderEnabled(this.headerElement.getCurrentState() == KeywordTableElement.SELECTED ? true : (this.headerElement.getCurrentState() == KeywordTableElement.DESELECTED ? false : keyProperty.isHeaderEnabled())); } protected void applyCurrentKeywordValuesOnTableElement(KeywordTableElement tableElement, boolean propertyPresent) { tableElement.setInitialState(tableElement.getInitialState() == KeywordTableElement.INITIAL ? (propertyPresent ? KeywordTableElement.SELECTED : KeywordTableElement.DESELECTED) : (((propertyPresent && tableElement.getInitialState() == KeywordTableElement.DESELECTED) || (!propertyPresent && tableElement.getInitialState() == KeywordTableElement.SELECTED)) ? KeywordTableElement.MIXED : tableElement.getInitialState())); tableElement.setCurrentState(tableElement.getInitialState()); } protected void initializeKeywordElements() { this.dateElement = new KeywordTableElement(SVNKeywordProperty.DATE_NAMES[0], SVNKeywordProperty.DATE_DESCR(), SVNKeywordProperty.DATE_SAMPLE, KeywordTableElement.INITIAL); this.revisionElement = new KeywordTableElement(SVNKeywordProperty.REVISION_NAMES[0], SVNKeywordProperty.REVISION_DESCR(), SVNKeywordProperty.REVISION_SAMPLE, KeywordTableElement.INITIAL); this.lastChangedByElement = new KeywordTableElement(SVNKeywordProperty.AUTHOR_NAMES[0], SVNKeywordProperty.AUTHOR_DESCR(), SVNKeywordProperty.AUTHOR_SAMPLE, KeywordTableElement.INITIAL); this.headUrlElement = new KeywordTableElement(SVNKeywordProperty.HEAD_URL_NAMES[0], SVNKeywordProperty.HEAD_URL_DESCR(), SVNKeywordProperty.HEAD_URL_SAMPLE, KeywordTableElement.INITIAL); this.idElement = new KeywordTableElement(SVNKeywordProperty.ID_NAMES[0], SVNKeywordProperty.ID_DESCR(), SVNKeywordProperty.ID_SAMPLE, KeywordTableElement.INITIAL); this.headerElement = new KeywordTableElement(SVNKeywordProperty.HEADER_NAMES[0], SVNKeywordProperty.HEADER_DESCR(), SVNKeywordProperty.HEADER_SAMPLE, KeywordTableElement.INITIAL); List<IResource> alreadyWithPropertiesList = Arrays.asList(this.alreadyWithProperties); for (int i = 0; i < this.selectedResources.length; i++) { SVNProperty[] data; SVNKeywordProperty keywordPropertyValue = new SVNKeywordProperty(null); if (alreadyWithPropertiesList.contains(this.selectedResources[i]) && this.properties != null && (data = this.properties.getProperties(this.selectedResources[i])) != null) { keywordPropertyValue = new SVNKeywordProperty(data[0].value); } this.applyCurrentKeywordValuesOnTableElement(this.dateElement, keywordPropertyValue.isDateEnabled()); this.applyCurrentKeywordValuesOnTableElement(this.revisionElement, keywordPropertyValue.isRevisionEnabled()); this.applyCurrentKeywordValuesOnTableElement(this.lastChangedByElement, keywordPropertyValue.isLastChangedByEnabled()); this.applyCurrentKeywordValuesOnTableElement(this.headUrlElement, keywordPropertyValue.isHeadUrlEnabled()); this.applyCurrentKeywordValuesOnTableElement(this.idElement, keywordPropertyValue.isIdEnabled()); this.applyCurrentKeywordValuesOnTableElement(this.headerElement, keywordPropertyValue.isHeaderEnabled()); } } protected void refreshCheckboxState(KeywordTableElement element) { this.checkboxViewer.setChecked(element, element.getCurrentState() == KeywordTableElement.MIXED || element.getCurrentState() == KeywordTableElement.SELECTED); this.checkboxViewer.setGrayed(element, element.getCurrentState() == KeywordTableElement.MIXED); } protected void changeMixedElementsToChecked() { Object[] elements = this.checkboxViewer.getCheckedElements(); for (int i = 0; i < elements.length; i++) { ((KeywordTableElement) elements[i]).setCurrentState(KeywordTableElement.SELECTED); } } protected void addSelectionButtons(Composite composite) { Composite tComposite = new Composite(composite, SWT.RIGHT); GridLayout gLayout = new GridLayout(); gLayout.numColumns = 2; gLayout.marginWidth = 0; tComposite.setLayout(gLayout); GridData data = new GridData(GridData.HORIZONTAL_ALIGN_END | GridData.GRAB_HORIZONTAL); data.grabExcessHorizontalSpace = true; tComposite.setData(data); Button selectButton = new Button(tComposite, SWT.PUSH); selectButton.setText(SVNUIMessages.Button_SelectAll); data = new GridData(); data.widthHint = DefaultDialog.computeButtonWidth(selectButton); selectButton.setLayoutData(data); SelectionListener listener = new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { PropertyKeywordEditPanel.this.refreshKeywordElements(true); } }; selectButton.addSelectionListener(listener); Button deselectButton = new Button(tComposite, SWT.PUSH); deselectButton.setText(SVNUIMessages.Button_ClearSelection); data = new GridData(); data.widthHint = DefaultDialog.computeButtonWidth(deselectButton); deselectButton.setLayoutData(data); listener = new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { PropertyKeywordEditPanel.this.refreshKeywordElements(false); } }; deselectButton.addSelectionListener(listener); } protected void refreshKeywordElements(boolean selected) { int state = selected ? KeywordTableElement.SELECTED : KeywordTableElement.DESELECTED; this.dateElement.setCurrentState(state); this.revisionElement.setCurrentState(state); this.lastChangedByElement.setCurrentState(state); this.headUrlElement.setCurrentState(state); this.idElement.setCurrentState(state); this.headerElement.setCurrentState(state); this.checkboxViewer.setAllChecked(selected); this.checkboxViewer.setAllGrayed(false); } protected void cancelChangesImpl() { } protected void saveChangesImpl() { this.useMask = this.useMaskCheckbox == null ? false : this.useMaskCheckbox.getSelection(); this.mask = this.maskText == null ? "*" : this.maskText.getText().trim(); //$NON-NLS-1$ this.setRecursively = this.setRecursivelyCheckbox == null ? false : this.setRecursivelyCheckbox.getSelection(); if (this.useMask) { this.maskHistory.addLine(this.maskText.getText()); } } public Point getPrefferedSizeImpl() { return new Point(670, SWT.DEFAULT); } }