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 (Polarion Software) - initial API and implementation *******************************************************************************/ package org.eclipse.team.svn.ui.wizard.shareproject; import java.util.ArrayList; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.IPath; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; 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.Label; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.team.svn.core.connector.SVNChangeStatus; import org.eclipse.team.svn.core.resource.IResourceProvider; import org.eclipse.team.svn.core.utility.SVNUtility; import org.eclipse.team.svn.ui.SVNTeamUIPlugin; import org.eclipse.team.svn.ui.SVNUIMessages; import org.eclipse.team.svn.ui.utility.ColumnedViewerComparator; import org.eclipse.team.svn.ui.wizard.AbstractVerifiedWizardPage; import org.eclipse.ui.PlatformUI; /** * Allows to select group of projects which will be shared at once * * @author Alexander Gurov */ public class SelectProjectsGroupPage extends AbstractVerifiedWizardPage implements IResourceProvider { protected IProject[] allProjects; protected Map projectGroups; protected int analysisDepth; protected int maxURLLength; protected String selectedGroup; protected Combo groupsCombo; protected Combo analysisDepthCombo; protected TableViewer viewer; public SelectProjectsGroupPage(IProject[] projects) { super(SelectProjectsGroupPage.class.getName(), SVNUIMessages.SelectProjectsGroupPage_Title, SVNTeamUIPlugin.instance().getImageDescriptor("icons/wizards/newconnect.gif")); //$NON-NLS-1$ this.setDescription(SVNUIMessages.SelectProjectsGroupPage_Description); this.allProjects = projects; this.analysisDepth = 2; this.maxURLLength = 0; this.performAnalysis(); this.selectedGroup = this.projectGroups.get(null) != null ? null : (String) this.projectGroups.keySet().iterator().next(); } public boolean isGroupSelectionRequired() { return this.allProjects.length > 1; } public IResource[] getResources() { List group = this.getProjectsGroup(this.selectedGroup); return (IProject[]) group.toArray(new IProject[group.size()]); } protected void performAnalysis() { this.projectGroups = new LinkedHashMap(); for (int i = 0; i < this.allProjects.length; i++) { SVNChangeStatus info = SVNUtility.getSVNInfoForNotConnected(this.allProjects[i]); if (info == null) { this.getProjectsGroup(null).add(this.allProjects[i]); } else { IPath url = SVNUtility.createPathForSVNUrl(SVNUtility.decodeURL(info.url)); if (this.maxURLLength < url.segmentCount()) { this.maxURLLength = url.segmentCount(); } if (url.segmentCount() > this.analysisDepth) { url = url.uptoSegment(this.analysisDepth); } this.getProjectsGroup(url.toString()).add(this.allProjects[i]); } } if (this.maxURLLength < this.analysisDepth) { this.analysisDepth = this.maxURLLength; } } protected List getProjectsGroup(Object key) { List retVal = (List) this.projectGroups.get(key); if (retVal == null) { this.projectGroups.put(key, retVal = new ArrayList()); } return retVal; } protected void setGroupsComboItems() { ArrayList groups = new ArrayList(this.projectGroups.keySet()); groups.remove(null); this.groupsCombo.setItems((String[]) groups.toArray(new String[groups.size()])); this.groupsCombo.select(0); if (groups.size() > 0) { this.selectedGroup = this.groupsCombo.getItem(0); } } protected Composite createControlImpl(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 2; composite.setLayout(layout); GridData data = new GridData(GridData.FILL_BOTH); composite.setLayoutData(data); this.initializeDialogUnits(parent); Label label = new Label(composite, SWT.WRAP); data = new GridData(GridData.FILL_HORIZONTAL); data.horizontalSpan = 2; data.heightHint = this.convertHeightInCharsToPixels(3); data.widthHint = 420; label.setLayoutData(data); label.setText(SVNUIMessages.SelectProjectsGroupPage_Hint); Button shareProjectsButton = new Button(composite, SWT.RADIO); data = new GridData(); data.horizontalSpan = 2; shareProjectsButton.setLayoutData(data); shareProjectsButton.setText(SVNUIMessages.SelectProjectsGroupPage_ShareNew); boolean newEnabled = this.projectGroups.get(null) != null; shareProjectsButton.setEnabled(newEnabled); shareProjectsButton.setSelection(newEnabled); shareProjectsButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { if (((Button) e.widget).getSelection()) { SelectProjectsGroupPage.this.groupsCombo.setEnabled(false); SelectProjectsGroupPage.this.analysisDepthCombo.setEnabled(false); SelectProjectsGroupPage.this.selectedGroup = null; } SelectProjectsGroupPage.this.viewer.setInput(SelectProjectsGroupPage.this.projectGroups); } }); Button reconnectProjectsButton = new Button(composite, SWT.RADIO); data = new GridData(); data.horizontalSpan = 2; reconnectProjectsButton.setLayoutData(data); reconnectProjectsButton.setEnabled(this.projectGroups.size() > 1 || this.projectGroups.get(null) == null); reconnectProjectsButton.setText(SVNUIMessages.SelectProjectsGroupPage_Reconnect); reconnectProjectsButton.setSelection(!newEnabled); reconnectProjectsButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { if (((Button) e.widget).getSelection()) { SelectProjectsGroupPage.this.groupsCombo.setEnabled(true); SelectProjectsGroupPage.this.analysisDepthCombo.setEnabled(true); SelectProjectsGroupPage.this.selectedGroup = SelectProjectsGroupPage.this.groupsCombo .getItem(SelectProjectsGroupPage.this.groupsCombo.getSelectionIndex()); } SelectProjectsGroupPage.this.viewer.setInput(SelectProjectsGroupPage.this.projectGroups); } }); this.analysisDepthCombo = new Combo(composite, SWT.BORDER | SWT.READ_ONLY); data = new GridData(); this.analysisDepthCombo.setLayoutData(data); this.analysisDepthCombo.setVisibleItemCount(10); this.analysisDepthCombo.setEnabled(!newEnabled); this.analysisDepthCombo.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { SelectProjectsGroupPage.this.analysisDepth = ((Combo) e.widget).getSelectionIndex() + 1; SelectProjectsGroupPage.this.performAnalysis(); SelectProjectsGroupPage.this.setGroupsComboItems(); SelectProjectsGroupPage.this.viewer.setInput(SelectProjectsGroupPage.this.projectGroups); } }); String[] allItems = new String[] { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$ //$NON-NLS-8$ //$NON-NLS-9$ //$NON-NLS-10$ String[] items = allItems; if (this.maxURLLength < 10) { items = new String[this.maxURLLength]; System.arraycopy(allItems, 0, items, 0, this.maxURLLength); } this.analysisDepthCombo.setItems(items); this.analysisDepthCombo.select(1); this.groupsCombo = new Combo(composite, SWT.BORDER | SWT.READ_ONLY); data = new GridData(GridData.FILL_HORIZONTAL); this.groupsCombo.setLayoutData(data); this.setGroupsComboItems(); this.groupsCombo.setEnabled(!newEnabled); this.groupsCombo.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { Combo c = (Combo) e.widget; SelectProjectsGroupPage.this.selectedGroup = c.getItem(c.getSelectionIndex()); SelectProjectsGroupPage.this.viewer.setInput(SelectProjectsGroupPage.this.projectGroups); } }); label = new Label(composite, SWT.NONE); data = new GridData(); data.horizontalSpan = 2; label.setLayoutData(data); label.setText(SVNUIMessages.SelectProjectsGroupPage_ProjectsList); this.viewer = new TableViewer(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION); Table table = this.viewer.getTable(); table.setHeaderVisible(true); table.setLinesVisible(true); data = new GridData(GridData.FILL_BOTH); data.widthHint = 420; data.horizontalSpan = 2; table.setLayoutData(data); this.viewer.setContentProvider(new IStructuredContentProvider() { public Object[] getElements(Object inputElement) { List group = SelectProjectsGroupPage.this .getProjectsGroup(SelectProjectsGroupPage.this.selectedGroup); return group.toArray(); } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }); this.viewer.setLabelProvider(new ITableLabelProvider() { public void removeListener(ILabelProviderListener listener) { } public boolean isLabelProperty(Object element, String property) { return false; } public void dispose() { } public void addListener(ILabelProviderListener listener) { } public Image getColumnImage(Object element, int columnIndex) { return null; } public String getColumnText(Object element, int columnIndex) { return ((IProject) element).getName(); } }); ColumnedViewerComparator comparator = new ColumnedViewerComparator(this.viewer) { public int compareImpl(Viewer viewer, Object row1, Object row2) { return ColumnedViewerComparator.compare(row1.toString(), row2.toString()); } }; TableColumn col = new TableColumn(table, SWT.NONE); col.setResizable(false); col.setText(SVNUIMessages.SelectProjectsGroupPage_ProjectName); col.addSelectionListener(comparator); TableLayout tLayout = new TableLayout(); tLayout.addColumnData(new ColumnWeightData(100)); table.setLayout(tLayout); this.viewer.getTable().setSortDirection(SWT.UP); this.viewer.getTable().setSortColumn(this.viewer.getTable().getColumn(0)); this.selectedGroup = this.projectGroups.get(null) != null ? null : (String) this.projectGroups.keySet().iterator().next(); this.viewer.setInput(this.projectGroups); // Setting context help PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, "org.eclipse.team.svn.help.projectGroupContext"); //$NON-NLS-1$ return composite; } }