Java tutorial
// ============================================================================ // // Copyright (C) 2006-2017 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 com.amalto.workbench.widgets; import java.util.ArrayList; import java.util.Collection; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.viewers.CheckboxTreeViewer; import org.eclipse.jface.viewers.ICheckStateListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.SashForm; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.layout.RowLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import com.amalto.workbench.i18n.Messages; import com.amalto.workbench.models.TreeObject; import com.amalto.workbench.models.TreeParent; import com.amalto.workbench.utils.Util; /** * @author achen DOC achen class global comment. Detailled comment */ public class RepositoryCheckTreeViewer { protected static Log log = LogFactory.getLog(RepositoryCheckTreeViewer.class); protected FilteredCheckboxTree filteredCheckboxTree; // protected CheckboxRepositoryView exportItemsTreeView; Collection<TreeObject> repositoryNodes = new ArrayList<TreeObject>(); Collection<TreeObject> optimizedCheckNodes = new ArrayList<TreeObject>(); protected IStructuredSelection selection; protected SashForm sash; protected Button moveButton; protected TreeParent serverRoot; protected List<TreeObject> checkItems = new ArrayList<TreeObject>(); public RepositoryCheckTreeViewer(IStructuredSelection selection) { this.selection = selection; Object firstElement = selection.getFirstElement(); if (firstElement != null && firstElement instanceof TreeObject) { serverRoot = ((TreeObject) firstElement).getServerRoot(); } checkItems = selection.toList(); } public RepositoryCheckTreeViewer(TreeParent serverRoot) { this.serverRoot = serverRoot; } public void setCheckItems(List<TreeObject> list) { checkItems = list; refresh(); } public void setServerRoot(TreeParent serverRoot) { this.serverRoot = serverRoot; } Label itemLabel = null; protected TreeViewer viewer; /** * * @param workArea */ public Composite createItemList(Composite workArea) { Group itemComposite = new Group(workArea, 0); GridLayoutFactory.swtDefaults().numColumns(2).applyTo(itemComposite); GridDataFactory.swtDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).hint(400, 300) .applyTo(itemComposite); itemLabel = new Label(itemComposite, SWT.NONE); itemLabel.setText(Messages.RepositoryCheckTreeViewer_ItemLabel); GridDataFactory.swtDefaults().span(2, 1).applyTo(itemLabel); createTreeViewer(itemComposite); createSelectionButton(itemComposite); // force loading all nodes setCreatedViewer(); refresh(); return itemComposite; } protected void setCreatedViewer() { // viewer = exportItemsTreeView.getViewer(); } public void refresh() { // if user has select some items in repository view, mark them as checked for (TreeObject obj : checkItems) { if (obj instanceof TreeParent) { repositoryNodes.addAll(Util.getChildrenObj((TreeParent) obj)); } else { repositoryNodes.add(obj); } } ((CheckboxTreeViewer) viewer).setCheckedElements(repositoryNodes.toArray()); } public void setItemText(String text) { itemLabel.setText(text); } public TreeViewer getViewer() { return viewer; } public void setViewer(TreeViewer viewer) { this.viewer = viewer; } private void expandParent(TreeViewer viewer, TreeObject node) { TreeParent parent = node.getParent(); if (parent != null) { expandParent(viewer, parent); viewer.setExpandedState(parent, true); } } public Object[] getCheckNodes() { Object[] selected = null; List ret = new ArrayList(); if (viewer != null && viewer instanceof CheckboxTreeViewer) { selected = ((CheckboxTreeViewer) viewer).getCheckedElements(); } filterCheckedObjects(selected, ret); return ret.toArray(); } protected void filterCheckedObjects(Object[] selected, List ret) { for (Object element : selected) { if (element instanceof TreeObject) { TreeObject node = (TreeObject) element; if (node.isXObject()) { ret.add(node); } } } } private SelectionListener bunListener; public void setRoot(TreeParent root) { } protected void createTreeViewer(Composite itemComposite) { } public void addCheckStateListener(ICheckStateListener listener) { // ((CheckboxTreeViewer) exportItemsTreeView.getViewer()).addCheckStateListener(listener); } public void removeCheckStateListener(ICheckStateListener listener) { // ((CheckboxTreeViewer) exportItemsTreeView.getViewer()).removeCheckStateListener(listener); } protected boolean filterRepositoryNode(TreeObject node) { if (node == null) { return false; } // remove the filter for resource to provide the function to import and export resources. if (node.getType() == TreeObject.SUBSCRIPTION_ENGINE || node.getType() == TreeObject.SERVICE_CONFIGURATION || !Util.IsEnterPrise() && node.getType() == TreeObject.WORKFLOW || !Util.IsEnterPrise() && node.getType() == TreeObject.WORKFLOW_PROCESS || node.getType() == TreeObject.JOB || node.getType() == TreeObject.JOB_REGISTRY) { return false; } if (!Util.IsEnterPrise()) { if (node.getType() == TreeObject.ROLE) { return false; } } return true; } /** * DOC hcw Comment method "createSelectionButton". * * @param itemComposite */ private void createSelectionButton(Composite itemComposite) { Composite buttonComposite = new Composite(itemComposite, SWT.NONE); GridLayoutFactory.swtDefaults().margins(0, 25).applyTo(buttonComposite); GridDataFactory.swtDefaults().align(SWT.FILL, SWT.BEGINNING).applyTo(buttonComposite); buttonComposite.setLayout(new RowLayout(SWT.VERTICAL)); Button hide = new Button(buttonComposite, SWT.PUSH); hide.setVisible(false); Button selectAll = new Button(buttonComposite, SWT.PUSH); selectAll.setText(Messages.RepositoryCheckTreeViewer_SelectAll); selectAll.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { ((CheckboxTreeViewer) viewer).setAllChecked(true); } }); Button deselectAll = new Button(buttonComposite, SWT.PUSH); deselectAll.setText(Messages.RepositoryCheckTreeViewer_DeselectAll); deselectAll.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { ((CheckboxTreeViewer) viewer).setAllChecked(false); } }); if (bunListener != null) { selectAll.addSelectionListener(bunListener); deselectAll.addSelectionListener(bunListener); } // setButtonLayoutData(deselectAll); Button expandBtn = new Button(buttonComposite, SWT.PUSH); expandBtn.setText("Expand All"); //$NON-NLS-1$ expandBtn.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { viewer.expandAll(); } }); // setButtonLayoutData(expandBtn); Button collapseBtn = new Button(buttonComposite, SWT.PUSH); collapseBtn.setText("Collapse All"); //$NON-NLS-1$ collapseBtn.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { viewer.collapseAll(); } }); // setButtonLayoutData(collapseBtn); } public void addButtonSelectionListener(SelectionListener listener) { this.bunListener = listener; } }