Java tutorial
/******************************************************************************* * Copyright (c) 2003, 2006 Subclipse project 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: * Subclipse project committers - initial API and implementation ******************************************************************************/ package org.tigris.subversion.subclipse.ui.dialogs; import java.util.Arrays; import java.util.List; import org.eclipse.core.resources.IResource; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.viewers.CheckboxTableViewer; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.SelectionChangedEvent; 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.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.model.WorkbenchContentProvider; import org.eclipse.ui.model.WorkbenchLabelProvider; import org.tigris.subversion.subclipse.ui.IHelpContextIds; import org.tigris.subversion.subclipse.ui.Policy; import org.tigris.subversion.subclipse.ui.util.DetailsDialog; /** * This dialog allows the user to add a set of resources to version control. * They can either all be added or the user can choose which to add from a * details list. * This dialog is used when user wants to commit some files which are not under revision * control */ public class AddToVersionControlDialog extends DetailsDialog { private static final int WIDTH_HINT = 350; private final static int SELECTION_HEIGHT_HINT = 100; private IResource[] unaddedResources; private Object[] resourcesToAdd; private CheckboxTableViewer listViewer; /** * Constructor for AddToVersionControlDialog. * @param parentShell */ public AddToVersionControlDialog(Shell parentShell, IResource[] unaddedResources) { super(parentShell, Policy.bind("AddToVersionControlDialog.title")); //$NON-NLS-1$ this.unaddedResources = unaddedResources; } /** * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite) */ protected void createMainDialogArea(Composite parent) { Composite composite = new Composite(parent, SWT.NULL); composite.setLayout(new GridLayout()); composite.setLayoutData(new GridData(GridData.FILL_BOTH)); // set F1 help PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.ADD_TO_VERSION_CONTROL_DIALOG); // add a description label if (unaddedResources.length == 1) { createWrappingLabel(composite, Policy.bind("AddToVersionControlDialog.thereIsAnUnaddedResource", //$NON-NLS-1$ new Integer(unaddedResources.length).toString())); } else { createWrappingLabel(composite, Policy.bind("AddToVersionControlDialog.thereAreUnaddedResources", //$NON-NLS-1$ new Integer(unaddedResources.length).toString())); } } /** * @see org.eclipse.team.internal.ui.DetailsDialog#createDropDownDialogArea(org.eclipse.swt.widgets.Composite) */ protected Composite createDropDownDialogArea(Composite parent) { // create a composite with standard margins and spacing Composite composite = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN); layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING); layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING); composite.setLayout(layout); composite.setLayoutData(new GridData(GridData.FILL_BOTH)); composite.setFont(parent.getFont()); addUnaddedResourcesArea(composite); // set F1 help PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.ADD_TO_VERSION_CONTROL_DIALOG); return composite; } private void addUnaddedResourcesArea(Composite composite) { // add a description label createWrappingLabel(composite, Policy.bind("ReleaseCommentDialog.unaddedResources")); //$NON-NLS-1$ // add the selectable checkbox list listViewer = CheckboxTableViewer.newCheckList(composite, SWT.BORDER); GridData data = new GridData(GridData.FILL_BOTH); data.heightHint = SELECTION_HEIGHT_HINT; data.widthHint = WIDTH_HINT; listViewer.getTable().setLayoutData(data); // set the contents of the list listViewer.setLabelProvider(new WorkbenchLabelProvider() { protected String decorateText(String input, Object element) { if (element instanceof IResource) return ((IResource) element).getFullPath().toString(); else return input; } }); listViewer.setContentProvider(new WorkbenchContentProvider()); listViewer.setInput(new AdaptableResourceList(unaddedResources)); if (resourcesToAdd == null) { listViewer.setAllChecked(true); } else { listViewer.setCheckedElements(resourcesToAdd); } listViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { resourcesToAdd = listViewer.getCheckedElements(); } }); addSelectionButtons(composite); } /** * Add the selection and deselection buttons to the dialog. * @param composite org.eclipse.swt.widgets.Composite */ private void addSelectionButtons(Composite composite) { Composite buttonComposite = new Composite(composite, SWT.RIGHT); GridLayout layout = new GridLayout(); layout.numColumns = 2; buttonComposite.setLayout(layout); GridData data = new GridData(GridData.HORIZONTAL_ALIGN_END | GridData.GRAB_HORIZONTAL); data.grabExcessHorizontalSpace = true; composite.setData(data); Button selectButton = createButton(buttonComposite, IDialogConstants.SELECT_ALL_ID, Policy.bind("ReleaseCommentDialog.selectAll"), false); //$NON-NLS-1$ SelectionListener listener = new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { listViewer.setAllChecked(true); resourcesToAdd = null; } }; selectButton.addSelectionListener(listener); Button deselectButton = createButton(buttonComposite, IDialogConstants.DESELECT_ALL_ID, Policy.bind("ReleaseCommentDialog.deselectAll"), false); //$NON-NLS-1$ listener = new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { listViewer.setAllChecked(false); resourcesToAdd = new Object[0]; } }; deselectButton.addSelectionListener(listener); } /** * @see org.eclipse.team.internal.ui.DetailsDialog#updateEnablements() */ protected void updateEnablements() { } /** * Returns the resourcesToAdd. * @return IResource[] */ public IResource[] getResourcesToAdd() { if (resourcesToAdd == null) { return unaddedResources; } else { List result = Arrays.asList(resourcesToAdd); return (IResource[]) result.toArray(new IResource[result.size()]); } } protected static final int LABEL_WIDTH_HINT = 400; protected Label createWrappingLabel(Composite parent, String text) { Label label = new Label(parent, SWT.LEFT | SWT.WRAP); label.setText(text); GridData data = new GridData(); data.horizontalSpan = 1; data.horizontalAlignment = GridData.FILL; data.horizontalIndent = 0; data.grabExcessHorizontalSpace = true; data.widthHint = LABEL_WIDTH_HINT; label.setLayoutData(data); return label; } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite) */ protected void createButtonsForButtonBar(Composite parent) { createButton(parent, IDialogConstants.YES_ID, IDialogConstants.YES_LABEL, true); createButton(parent, IDialogConstants.NO_ID, IDialogConstants.NO_LABEL, true); super.createButtonsForButtonBar(parent); } /* (non-Javadoc) * @see org.eclipse.team.internal.ui.DetailsDialog#includeOkButton() */ protected boolean includeOkButton() { return false; } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int) */ protected void buttonPressed(int id) { // hijack yes and no buttons to set the correct return // codes. if (id == IDialogConstants.YES_ID || id == IDialogConstants.NO_ID) { setReturnCode(id); close(); } else { super.buttonPressed(id); } } }