Java tutorial
// ============================================================================ // // Copyright (C) 2006-2015 Talend Inc. - www.talend.com // // This source code is available under agreement available at // %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt // // You should have received a copy of the agreement // along with this program; if not, write to Talend SA // 9 rue Pages 92150 Suresnes, France // // ============================================================================ package org.talend.repository.ui.wizards.newproject.copyfromeclipse; import java.util.ArrayList; import java.util.Arrays; import java.util.Iterator; import java.util.List; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.viewers.CheckStateChangedEvent; import org.eclipse.jface.viewers.ICheckStateListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITreeContentProvider; 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.Font; 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.Display; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.ide.dialogs.ResourceTreeAndListGroup; import org.eclipse.ui.internal.wizards.datatransfer.ArchiveFileExportOperation; import org.eclipse.ui.internal.wizards.datatransfer.WizardArchiveFileResourceExportPage1; import org.eclipse.ui.model.WorkbenchContentProvider; import org.eclipse.ui.model.WorkbenchLabelProvider; import org.talend.commons.exception.ExceptionHandler; import org.talend.commons.exception.LoginException; import org.talend.commons.exception.PersistenceException; import org.talend.core.prefs.GeneralParametersProvider; import org.talend.core.prefs.GeneralParametersProvider.GeneralParameters; import org.talend.core.runtime.CoreRuntimePlugin; import org.talend.repository.RepositoryWorkUnit; import org.talend.repository.i18n.Messages; /** * */ public class TalendWizardArchiveFileResourceExportPage1 extends WizardArchiveFileResourceExportPage1 { private IStructuredSelection initialResourceSelection; private ResourceTreeAndListGroup resourceGroup; // private final static String SELECT_TYPES_TITLE = IDEWorkbenchMessages.WizardTransferPage_selectTypes; private final static String SELECT_TYPES_TITLE = Messages .getString("IDEWorkbenchMessages.WizardTransferPage_selectTypes"); //$NON-NLS-1$ // private final static String SELECT_ALL_TITLE = IDEWorkbenchMessages.WizardTransferPage_selectAll; private final static String SELECT_ALL_TITLE = Messages .getString("IDEWorkbenchMessages.WizardTransferPage_selectAll"); //$NON-NLS-1$ // private final static String DESELECT_ALL_TITLE = IDEWorkbenchMessages.WizardTransferPage_deselectAll; private final static String DESELECT_ALL_TITLE = Messages .getString("IDEWorkbenchMessages.WizardTransferPage_deselectAll"); //$NON-NLS-1$ /** * Constants from org.eclipse.ui.internal.wizards.datatransfer.IDataTransferHelpContextIds; */ public class IDataTransferHelpContextIds { public static final String ZIP_FILE_EXPORT_WIZARD_PAGE = PlatformUI.PLUGIN_ID + "." //$NON-NLS-1$ + "zip_file_export_wizard_page"; //$NON-NLS-1$ } public TalendWizardArchiveFileResourceExportPage1(IStructuredSelection selection) { super(selection); initialResourceSelection = selection; // setTitle(DataTransferMessages.ArchiveExport_exportTitle); setTitle(Messages.getString("DataTransferMessages.ArchiveExport_exportTitle")); //$NON-NLS-1$ // setDescription(DataTransferMessages.ArchiveExport_description); setDescription(Messages.getString("DataTransferMessages.ArchiveExport_description")); //$NON-NLS-1$ } @Override public void createControl(Composite parent) { initializeDialogUnits(parent); Composite composite = new Composite(parent, SWT.NULL); composite.setLayout(new GridLayout()); composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL)); composite.setFont(parent.getFont()); myCreateResourcesGroup(composite); myCreateButtonsGroup(composite); createDestinationGroup(composite); createOptionsGroup(composite); restoreResourceSpecificationWidgetValues(); // ie.- local restoreWidgetValues(); // ie.- subclass hook if (initialResourceSelection != null) { setupBasedOnInitialSelections(); } updateWidgetEnablements(); setPageComplete(determinePageCompletion()); setErrorMessage(null); // should not initially have error message setControl(composite); giveFocusToDestination(); PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IDataTransferHelpContextIds.ZIP_FILE_EXPORT_WIZARD_PAGE); } protected void myCreateResourcesGroup(Composite parent) { // create the input element, which has the root resource // as its only child List<String> notExportProjects = Arrays .asList(GeneralParametersProvider.getStrings(GeneralParameters.PROJECTS_EXCLUDED_FROM_EXPORT)); List input = new ArrayList(); IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects(); for (int i = 0; i < projects.length; i++) { if (projects[i].isOpen() && !notExportProjects.contains(projects[i].getName())) { input.add(projects[i]); } } resourceGroup = new ResourceTreeAndListGroup(parent, input, getResourceProvider(IResource.FOLDER | IResource.PROJECT), WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider(), getResourceProvider(IResource.FILE), WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider(), SWT.NONE, inRegularFontMode(parent)); ICheckStateListener listener = new ICheckStateListener() { @Override public void checkStateChanged(CheckStateChangedEvent event) { updateWidgetEnablements(); } }; resourceGroup.addCheckStateListener(listener); } /** * Return the number of rows available in the current display using the current font. * * @param parent The Composite whose Font will be queried. * @return int The result of the display size divided by the font size. */ public static int availableRows(Composite parent) { int fontHeight = (parent.getFont().getFontData())[0].getHeight(); int displayHeight = parent.getDisplay().getClientArea().height; return displayHeight / fontHeight; } /** * Return whether or not the font in the parent is the size of a regular font. Typically used to know if a font is * smaller than the High Contrast Font. This method is used to make layout decisions based on screen space. * * @param parent The Composite whose Font will be queried. * @return boolean. True if there are more than 50 lines of possible text in the display. */ public static boolean inRegularFontMode(Composite parent) { return availableRows(parent) > 50; } @Override protected Iterator getSelectedResourcesIterator() { return resourceGroup.getAllCheckedListItems().iterator(); } @Override protected List getWhiteCheckedResources() { return resourceGroup.getAllWhiteCheckedItems(); } @Override protected void setupBasedOnInitialSelections() { Iterator it = initialResourceSelection.iterator(); while (it.hasNext()) { IResource currentResource = (IResource) it.next(); if (currentResource.getType() == IResource.FILE) { resourceGroup.initialCheckListItem(currentResource); } else { resourceGroup.initialCheckTreeItem(currentResource); } } } private ITreeContentProvider getResourceProvider(final int resourceType) { return new WorkbenchContentProvider() { @Override public Object[] getChildren(Object o) { if (o instanceof IContainer) { IResource[] members = null; try { members = ((IContainer) o).members(); } catch (CoreException e) { // just return an empty set of children return new Object[0]; } // filter out the desired resource types ArrayList results = new ArrayList(); for (IResource member : members) { // And the test bits with the resource types to see if they are what we want if ((member.getType() & resourceType) > 0) { results.add(member); } } return results.toArray(); } // input element case if (o instanceof ArrayList) { return ((ArrayList) o).toArray(); } return new Object[0]; } }; } protected final void myCreateButtonsGroup(Composite parent) { Font font = parent.getFont(); // top level group Composite buttonComposite = new Composite(parent, SWT.NONE); buttonComposite.setFont(parent.getFont()); GridLayout layout = new GridLayout(); layout.numColumns = 3; layout.makeColumnsEqualWidth = true; buttonComposite.setLayout(layout); buttonComposite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL)); // types edit button Button selectTypesButton = createButton(buttonComposite, IDialogConstants.SELECT_TYPES_ID, SELECT_TYPES_TITLE, false); SelectionListener listener = new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { handleTypesEditButtonPressed(); } }; selectTypesButton.addSelectionListener(listener); selectTypesButton.setFont(font); setButtonLayoutData(selectTypesButton); Button selectButton = createButton(buttonComposite, IDialogConstants.SELECT_ALL_ID, SELECT_ALL_TITLE, false); listener = new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { resourceGroup.setAllSelections(true); updateWidgetEnablements(); } }; selectButton.addSelectionListener(listener); selectButton.setFont(font); setButtonLayoutData(selectButton); Button deselectButton = createButton(buttonComposite, IDialogConstants.DESELECT_ALL_ID, DESELECT_ALL_TITLE, false); listener = new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { resourceGroup.setAllSelections(false); updateWidgetEnablements(); } }; deselectButton.addSelectionListener(listener); deselectButton.setFont(font); setButtonLayoutData(deselectButton); } @Override public boolean finish() { List resourcesToExport = getWhiteCheckedResources(); if (!ensureTargetIsValid()) { return false; } // Save dirty editors if possible but do not stop if not all are saved saveDirtyEditors(); // about to invoke the operation so save our state saveWidgetValues(); final List results = new ArrayList(1); CoreRuntimePlugin.getInstance().getProxyRepositoryFactory() .executeRepositoryWorkUnit(new RepositoryWorkUnit("refresh") { @Override protected void run() throws LoginException, PersistenceException { try { ResourcesPlugin.getWorkspace().getRoot().refreshLocal(IResource.DEPTH_INFINITE, null); } catch (CoreException e) { ExceptionHandler.process(e); } Display.getCurrent().syncExec(new Runnable() { @Override public void run() { List resourcesToExport = getWhiteCheckedResources(); boolean r = executeExportOperation(new ArchiveFileExportOperation(null, resourcesToExport, getDestinationValue())); results.add(r); } }); } }); return results.size() == 1; } }