Java tutorial
/******************************************************************************* * Copyright (c) 2015 ARM Ltd. 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: * Eclipse Project - generation from template * ARM Ltd and ARM Germany GmbH - application-specific implementation *******************************************************************************/ package com.arm.cmsis.pack.refclient.ui; import java.util.Map; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.Tree; import org.eclipse.swt.widgets.TreeColumn; import org.eclipse.ui.IActionBars; import org.eclipse.ui.IWorkbenchActionConstants; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.part.DrillDownAdapter; import org.eclipse.ui.part.ViewPart; import com.arm.cmsis.pack.CpPlugIn; import com.arm.cmsis.pack.ICpPackManager; import com.arm.cmsis.pack.common.CmsisConstants; import com.arm.cmsis.pack.data.ICpBoard; import com.arm.cmsis.pack.data.ICpComponent; import com.arm.cmsis.pack.data.ICpDeviceItem; import com.arm.cmsis.pack.data.ICpFile; import com.arm.cmsis.pack.data.ICpItem; import com.arm.cmsis.pack.data.ICpPack; import com.arm.cmsis.pack.data.ICpPackFamily; import com.arm.cmsis.pack.events.IRteEventListener; import com.arm.cmsis.pack.events.RteEvent; import com.arm.cmsis.pack.generic.Attributes; import com.arm.cmsis.pack.ui.CpPlugInUI; import com.arm.cmsis.pack.ui.CpStringsUI; import com.arm.cmsis.pack.ui.tree.TreeObjectContentProvider; /** * This sample view class is an example how to show raw data of installed packs * <p> */ public class PackView extends ViewPart implements IRteEventListener { /** * The ID of the view as specified by the extension. */ public static final String ID = "com.arm.cmsis.pack.refclient.ui.PackView"; //$NON-NLS-1$ TreeViewer viewer; private DrillDownAdapter drillDownAdapter; private Action expandAction; private Action collapseAction; Action doubleClickAction; ICpItem getCpItem(Object obj) { if (obj instanceof ICpItem) { return (ICpItem) obj; } return null; } class PackViewContentProvider extends TreeObjectContentProvider { public Object getParent(Object child) { ICpItem item = getCpItem(child); if (item != null) { return item.getParent(); } return null; } public Object[] getChildren(Object parent) { if (parent instanceof ICpDeviceItem) { ICpDeviceItem item = (ICpDeviceItem) parent; if (item.getDeviceItems() != null) return item.getDeviceItems().toArray(); ICpItem props = item.getEffectiveProperties(""); //$NON-NLS-1$ if (props != null) return props.getChildArray(); } return super.getChildren(parent); } public boolean hasChildren(Object parent) { if (parent instanceof ICpDeviceItem) { ICpDeviceItem item = (ICpDeviceItem) parent; if (item.getDeviceItems() != null) return !item.getDeviceItems().isEmpty(); ICpItem props = item.getEffectiveProperties(""); //$NON-NLS-1$ if (props != null) return props.hasChildren(); } return super.hasChildren(parent); } } class ViewLabelProvider extends LabelProvider implements ITableLabelProvider { @Override public String getColumnText(Object obj, int index) { ICpItem item = getCpItem(obj); if (item != null) { switch (index) { case 0: return item.getTag(); case 1: return item.attributes().toString(); case 2: return item.getText(); default: break; } } return CmsisConstants.EMPTY_STRING; } @Override public Image getColumnImage(Object obj, int index) { if (index == 0) return getImage(obj); return null; } @Override public Image getImage(Object obj) { ICpItem item = getCpItem(obj); if (item == null) { return null; } if (obj instanceof ICpPack) { return CpPlugInUI.getImage(CpPlugInUI.ICON_PACKAGE); } else if (obj instanceof ICpPackFamily) { return CpPlugInUI.getImage(CpPlugInUI.ICON_PACKAGES); } else if (obj instanceof ICpComponent) { return CpPlugInUI.getImage(CpPlugInUI.ICON_COMPONENT); } else if (obj instanceof ICpFile) { return CpPlugInUI.getImage(CpPlugInUI.ICON_FILE); } else if (obj instanceof ICpBoard) { return CpPlugInUI.getImage(CpPlugInUI.ICON_BOARD); } else if (obj instanceof ICpDeviceItem) { ICpDeviceItem di = (ICpDeviceItem) obj; if (di.getDeviceItems() == null) { return CpPlugInUI.getImage(CpPlugInUI.ICON_DEVICE); } return CpPlugInUI.getImage(CpPlugInUI.ICON_FOLDER); } switch (item.getTag()) { case CmsisConstants.COMPONENTS_TAG: return CpPlugInUI.getImage(CpPlugInUI.ICON_COMPONENT_CLASS); case CmsisConstants.DEVICES_TAG: return CpPlugInUI.getImage(CpPlugInUI.ICON_FOLDER); case CmsisConstants.ALGORITHM_TAG: return CpPlugInUI.getImage(CpPlugInUI.ICON_FILE); case CmsisConstants.BOOK_TAG: return CpPlugInUI.getImage(CpPlugInUI.ICON_BOOK); case CmsisConstants.COMPATIBLE_DEVICE_TAG: case CmsisConstants.MOUNTED_DEVICE_TAG: return CpPlugInUI.getImage(CpPlugInUI.ICON_DEVICE); default: break; } return CpPlugInUI.getImage(CpPlugInUI.ICON_ITEM); } } /** * The constructor. */ public PackView() { } /** * This is a callback that will allow us * to create the viewer and initialize it. */ public void createPartControl(Composite parent) { Tree tree = new Tree(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); tree.setHeaderVisible(true); tree.setLinesVisible(true); viewer = new TreeViewer(tree); TreeColumn column0 = new TreeColumn(tree, SWT.LEFT); tree.setLinesVisible(true); column0.setText(CpStringsUI.PackView_Tag); column0.setWidth(300); TreeColumn column1 = new TreeColumn(tree, SWT.LEFT); tree.setLinesVisible(true); column1.setText(CpStringsUI.PackView_Attributes); column1.setWidth(200); TreeColumn column2 = new TreeColumn(tree, SWT.LEFT); column2.setText(CpStringsUI.PackView_Text); column2.setWidth(500); drillDownAdapter = new DrillDownAdapter(viewer); viewer.setContentProvider(new TreeObjectContentProvider());//new PackViewContentProvider()); viewer.setLabelProvider(new ViewLabelProvider()); refresh(); // Create the help context id for the viewer's control PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), ID); makeActions(); hookContextMenu(); hookDoubleClickAction(); contributeToActionBars(); CpPlugIn.addRteListener(this); } protected void refresh() { if (CpPlugIn.getDefault() == null) return; ICpPackManager packManager = CpPlugIn.getPackManager(); if (packManager != null) viewer.setInput(packManager.getInstalledPacks()); else viewer.setInput(null); } private void hookContextMenu() { MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$ menuMgr.setRemoveAllWhenShown(true); menuMgr.addMenuListener(new IMenuListener() { public void menuAboutToShow(IMenuManager manager) { PackView.this.fillContextMenu(manager); } }); Menu menu = menuMgr.createContextMenu(viewer.getControl()); viewer.getControl().setMenu(menu); getSite().registerContextMenu(menuMgr, viewer); } private void contributeToActionBars() { IActionBars bars = getViewSite().getActionBars(); fillLocalPullDown(bars.getMenuManager()); fillLocalToolBar(bars.getToolBarManager()); } private void fillLocalPullDown(IMenuManager manager) { manager.add(expandAction); manager.add(collapseAction); } void fillContextMenu(IMenuManager manager) { manager.add(expandAction); manager.add(collapseAction); manager.add(new Separator()); drillDownAdapter.addNavigationActions(manager); // Other plug-ins can contribute there actions here manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); } private void fillLocalToolBar(IToolBarManager manager) { manager.add(expandAction); manager.add(collapseAction); manager.add(new Separator()); drillDownAdapter.addNavigationActions(manager); } private void makeActions() { expandAction = new Action() { public void run() { if (viewer == null) return; viewer.expandAll(); } }; expandAction.setText(CpStringsUI.ExpandAll); expandAction.setToolTipText(CpStringsUI.ExpandAllNodes); expandAction.setImageDescriptor(CpPlugInUI.getImageDescriptor(CpPlugInUI.ICON_EXPAND_ALL)); collapseAction = new Action() { public void run() { if (viewer == null) return; viewer.collapseAll(); } }; collapseAction.setText(CpStringsUI.CollapseAll); collapseAction.setToolTipText(CpStringsUI.CollapseAllNodes); collapseAction.setImageDescriptor(CpPlugInUI.getImageDescriptor(CpPlugInUI.ICON_COLLAPSE_ALL)); doubleClickAction = new Action() { public void run() { ISelection selection = viewer.getSelection(); Object obj = ((IStructuredSelection) selection).getFirstElement(); if (obj instanceof ICpItem) { ICpItem item = (ICpItem) obj; String s = item.getName(); s += "\n"; //$NON-NLS-1$ Attributes a = new Attributes(); Map<String, String> m = item.getEffectiveAttributes(null); a.setAttributes(m); s += a.toString(); showMessage(s); } } }; } private void hookDoubleClickAction() { viewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { doubleClickAction.run(); } }); } void showMessage(String message) { MessageDialog.openInformation(viewer.getControl().getShell(), "PackView", //$NON-NLS-1$ message); } /** * Passing the focus request to the viewer's control. */ public void setFocus() { viewer.getControl().setFocus(); } @Override public void handle(RteEvent event) { if (event.getTopic().equals(RteEvent.PACKS_RELOADED)) refresh(); } @Override public void dispose() { CpPlugIn.removeRteListener(this); super.dispose(); } }