Java tutorial
/* * Copyright 2012 Jamling(li.jamling@gmail.com). * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package cn.ieclipse.adt.ext.wizards; import java.util.List; import java.util.Map; import java.util.Set; import org.eclipse.core.resources.IFile; import org.eclipse.jdt.core.ICompilationUnit; import org.eclipse.jdt.core.IJavaElement; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jface.dialogs.ErrorDialog; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.wizard.Wizard; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchWizard; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import cn.ieclipse.adt.ext.AormPlugin; import cn.ieclipse.adt.ext.helpers.AdtConstants; import cn.ieclipse.adt.ext.helpers.AndroidManifest; import cn.ieclipse.adt.ext.helpers.ComponentAttribute; import cn.ieclipse.adt.ext.helpers.ComponentAttributeTipHelper; import cn.ieclipse.adt.ext.helpers.ComponentElement; import cn.ieclipse.adt.ext.helpers.ImageConstants; import cn.ieclipse.adt.ext.helpers.ProjectHelper; import cn.ieclipse.adt.ext.helpers.Status; /** * @author melord * */ public class EditComponentWizard extends Wizard implements IWorkbenchWizard { /** * Wizard id. */ public static final String ID = AormPlugin.PLUGIN_ID + "wizards.EditComponentWizard"; protected IStructuredSelection selection; /** * AndroidManifest.xml node name */ protected String nodeName; protected Element node; /** * Selected .java QName. */ protected String compName; protected Map<String, String> nodeMap; protected ComponentElement nodeElement; protected IJavaProject jProject; protected AndroidManifest manifest; protected IFile manifestFile; private EditComponentWizardPage page0; private boolean add = false; private String pageTitle = "Edit Android Component"; protected void updateManifest(AndroidManifest manifest) { Element e = page0.getRootNode(); if (e == null && node != null) { node.getParentNode().removeChild(node); node = null; } if (node != null) { updateNode(node); } } protected void updateNode(Element node) { ComponentElement ce = page0.getNodeAttrCache().get(node); if (ce != null) { List<ComponentAttribute> attrs = ce.getAttributes(); for (ComponentAttribute attr : attrs) { String key = attr.getName(); if (attr.getValue() == null || "".equals(attr.getValue().trim())) { if (node.getAttribute(key) != null) { node.removeAttribute(key); } else { continue; } } else { node.setAttribute(key, attr.getValue().trim()); } } } NodeList list = node.getChildNodes(); for (int i = 0; i < list.getLength(); i++) { Node n = list.item(i); if (n instanceof Element) { updateNode((Element) n); } } } public EditComponentWizard() { setWindowTitle("Edit Android Component"); setDefaultPageImageDescriptor(AormPlugin.getImageDescriptor(ImageConstants.LARGE_ACTIVITY_ICON)); } /** * For test * * @param nodeName * @param compName */ public EditComponentWizard(String nodeName, String compName) { this.nodeName = nodeName; this.compName = compName; page0 = new EditComponentWizardPage("", "test ", null); try { manifest = new AndroidManifest("AndroidManifest.xml", null); node = manifest.getComponentNode(this.nodeName, this.compName); if (node == null) { this.add = true; if (nodeName == AdtConstants.PROVIDER_NODE) { node = manifest.addProvider(AdtConstants.PROVIDER_QNAME, compName, null); } else { node = manifest.addActivity(compName, compName, null, null); } } page0.setInput(node); } catch (Exception e) { e.printStackTrace(); } } @Override public void addPages() { super.addPages(); if (page0 == null && nodeName != null) { if (this.add) { pageTitle = String.format("Add Android <%s>", nodeName); } else { pageTitle = String.format("Edit Android <%s>", nodeName); } page0 = new EditComponentWizardPage(pageTitle); page0.setDescription(String.format("Edit <%s> element in AndroidManifest.xml", nodeName)); page0.setInput(node); page0.setProject(jProject); } addPage(page0); } @Override public boolean performFinish() { if (jProject != null) { try { updateManifest(manifest); manifest.save2(); manifestFile.refreshLocal(1, null); return true; } catch (Exception e) { Status status = new Status(); status.setError(e.toString()); ErrorDialog.openError(getShell(), "Error when updating manifest", e.getMessage(), status); return false; } } else { // for test. try { updateManifest(manifest); manifest.save2(); return true; } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } return false; } public void init(IWorkbench workbench, IStructuredSelection selection) { this.selection = selection; IJavaElement jele = ProjectHelper.getInitialJavaElement((IStructuredSelection) selection); jProject = jele.getJavaProject(); if (jele instanceof ICompilationUnit) { // init nodeName ICompilationUnit unit = (ICompilationUnit) jele; Set<String> supers = ProjectHelper.getSuperTypeName(unit, false); if (supers.contains(AdtConstants.ACTIVITY_QNAME)) { nodeName = AdtConstants.ACTIVITY_NODE; } else if (supers.contains(AdtConstants.SERVICE_QNAME)) { nodeName = AdtConstants.SERVICE_NODE; } else if (supers.contains(AdtConstants.RECEIVER_QNAME)) { nodeName = AdtConstants.RECEIVER_NODE; } else if (supers.contains(AdtConstants.PROVIDER_QNAME)) { nodeName = AdtConstants.PROVIDER_NODE; } else { nodeName = null; } // System.out.println("node name:" + nodeName); try { nodeMap = ComponentAttributeTipHelper.load(nodeName); // init compName compName = unit.getTypes()[0].getFullyQualifiedName(); // init manifest file manifestFile = ProjectHelper.getManifestLocation(jProject.getProject()); // init manifest manifest = ProjectHelper.getAndroidManifest(jele); // init node of selected java file. node = manifest.getComponentNode(nodeName, compName); if (node == null) { this.add = true; if (nodeName == AdtConstants.PROVIDER_NODE) { node = manifest.addProvider(AdtConstants.PROVIDER_QNAME, compName, null); } else { node = manifest.addActivity(AdtConstants.ACTIVITY_QNAME, compName, null, null); } } } catch (Exception e) { Status status = new Status(); status.setError(e.toString()); ErrorDialog.openError(getShell(), "Error init EditComponentWizard", e.getMessage(), status); } } } }