Folder/Package/class路径选择

编程技术  /  houtizong 发布于 3年前   58

import org.eclipse.core.runtime.CoreException;import org.eclipse.core.runtime.OperationCanceledException;import org.eclipse.jdt.core.IType;import org.eclipse.jdt.core.search.IJavaSearchConstants;import org.eclipse.jdt.core.search.SearchEngine;import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;import org.eclipse.jdt.internal.ui.JavaPlugin;import org.eclipse.jdt.internal.ui.JavaPluginImages;import org.eclipse.jdt.internal.ui.JavaUIMessages;import org.eclipse.jdt.internal.ui.actions.OpenTypeAction;import org.eclipse.jdt.internal.ui.dialogs.OpenTypeSelectionDialog2;import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility;import org.eclipse.jdt.internal.ui.util.ExceptionHandler;import org.eclipse.jface.action.IAction;import org.eclipse.jface.dialogs.IDialogConstants;import org.eclipse.swt.widgets.Shell;import org.eclipse.ui.IEditorPart;import org.eclipse.ui.PlatformUI;import org.eclipse.ui.help.WorkbenchHelp;public class OpenJavaAction extends OpenTypeAction {private OpenTypeSelectionDialog2 dialog;private Shell parent;private boolean bool = true;public OpenJavaAction() {super();setText(JavaUIMessages.OpenTypeAction_label); //$NON-NLS-1$setDescription(JavaUIMessages.OpenTypeAction_description); //$NON-NLS-1$setToolTipText(JavaUIMessages.OpenTypeAction_tooltip); //$NON-NLS-1$setImageDescriptor(JavaPluginImages.DESC_TOOL_OPENTYPE);WorkbenchHelp.setHelp(this, IJavaHelpContextIds.OPEN_TYPE_ACTION);parent = JavaPlugin.getActiveWorkbenchShell();try {dialog = new OpenTypeSelectionDialog2(parent,true, PlatformUI.getWorkbench().getProgressService(), SearchEngine.createWorkspaceScope(),IJavaSearchConstants.TYPE);} catch (OperationCanceledException e) {return;}}public OpenTypeSelectionDialog2 getDialog() {return dialog;}public Object[] getType(){return dialog.getResult();}public void setBool(boolean bool){this.bool = bool;}public void run() {//dialog.setMatchEmptyString(true);dialog.setTitle(JavaUIMessages.OpenTypeAction_dialogTitle); //$NON-NLS-1$dialog.setMessage(JavaUIMessages.OpenTypeAction_dialogMessage); //$NON-NLS-1$ //$NON-NLS-1$int result = dialog.open();if (result != IDialogConstants.OK_ID)return;Object[] types = dialog.getResult();if (types != null && types.length > 0) {IType type = (IType) types[0];if(bool){try {IEditorPart part = EditorUtility.openInEditor(type, true);EditorUtility.revealInEditor(part, type);} catch (CoreException x) {String title= JavaUIMessages.OpenTypeAction_errorTitle; //$NON-NLS-1$String message= JavaUIMessages.OpenTypeAction_errorMessage; //$NON-NLS-1$ //$NON-NLS-1$ExceptionHandler.handle(x, title, message);}}}}public void run(IAction action) {run();}}

import org.eclipse.core.runtime.OperationCanceledException;import org.eclipse.jdt.core.IType;import org.eclipse.jdt.core.search.IJavaSearchConstants;import org.eclipse.jdt.core.search.SearchEngine;import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;import org.eclipse.jdt.internal.ui.JavaPlugin;import org.eclipse.jdt.internal.ui.JavaPluginImages;import org.eclipse.jdt.internal.ui.JavaUIMessages;import org.eclipse.jdt.internal.ui.actions.OpenTypeAction;import org.eclipse.jdt.internal.ui.dialogs.OpenTypeSelectionDialog2;import org.eclipse.jface.action.IAction;import org.eclipse.jface.dialogs.IDialogConstants;import org.eclipse.swt.widgets.Shell;import org.eclipse.swt.widgets.Text;import org.eclipse.ui.PlatformUI;import org.eclipse.ui.help.WorkbenchHelp;public class SelectionClassAction extends OpenTypeAction {private OpenTypeSelectionDialog2 dialog;private Shell parent;private Text classValue;public SelectionClassAction() {super();setText(JavaUIMessages.OpenTypeAction_label); //$NON-NLS-1$setDescription(JavaUIMessages.OpenTypeAction_description); //$NON-NLS-1$setToolTipText(JavaUIMessages.OpenTypeAction_tooltip); //$NON-NLS-1$setImageDescriptor(JavaPluginImages.DESC_TOOL_OPENTYPE);WorkbenchHelp.setHelp(this, IJavaHelpContextIds.OPEN_TYPE_ACTION);parent = JavaPlugin.getActiveWorkbenchShell();try {dialog = new OpenTypeSelectionDialog2(parent, true, PlatformUI.getWorkbench().getProgressService(), SearchEngine.createWorkspaceScope(), IJavaSearchConstants.TYPE);} catch (OperationCanceledException e) {return;}}public OpenTypeSelectionDialog2 getDialog() {return dialog;}public void run() {// dialog.setMatchEmptyString(true);dialog.setTitle(JavaUIMessages.OpenTypeAction_dialogTitle); //$NON-NLS-1$dialog.setMessage(JavaUIMessages.OpenTypeAction_dialogMessage); //$NON-NLS-1$//$NON-NLS-1$int result = dialog.open();if (result != IDialogConstants.OK_ID)return;Object[] types = dialog.getResult();if (types != null && types.length > 0) {IType type = (IType) types[0];type.getPackageFragment().getElementName();classValue.setText(type.getPackageFragment().getElementName() + "."+ type.getElementName());}}public void run(IAction action) {run();}public void run(Text classValue) {this.classValue = classValue;run();}}

对于Floder：

源码如下:帮助刚学习的同学一起进步IJavaProject currProject = ActionUtil.findSelectedJavaProject(this.selection);        ContainerSelectionDialog dialog = new ContainerSelectionDialog(getShell(), currProject.getProject().getWorkspace().getRoot(), false,"Select Mapping Folder");        if (dialog.open() == ContainerSelectionDialog.OK) {            Object[] result = dialog.getResult();            if (result.length == 1) {javascript:;                mappingPath.setText(((Path) result[0]).toString());            }        }其中public static IJavaProject findSelectedJavaProject(ISelection selection) {        IJavaProject currentProject = null;        if (selection != null) {            if (selection instanceof IStructuredSelection) {                IStructuredSelection ss = (IStructuredSelection)selection;                Object obj = ss.getFirstElement();                if (obj instanceof IJavaProject) {                    currentProject = (IJavaProject)obj;                }            }        }        return currentProject;    }例子：ContainerSelectionDialog= new ContainerSelectionDialog(...);if(dialog.open == ContainerSelectionDialog.OK){Object[] result = dialog.getResult();String containerFullName  = ((Path)reslut[0]).toString();createFile();}public createFile(){....}

 TypeSelectionDialog    TypeSelectionDialog是JDT内核中的一个UI显示部件，是不鼓励使用的，不过我觉得很好用，拿来与大家分享，呵呵：）    TypeSelectionDialog提供一个在给定的搜索域内搜索Java Type的选择对话框。比如我们在新建Class时选择Super Class时那样。选择后得到了一个或多个Eclipse平台提供的针对Java Type的对象：IType。    所以在使用时，需要以下几步工作：    1、利用SearchEngine创建搜索域    2、指定搜索内容为Class还是Interface还是其它的什么    3、创建Dialog：  try{        TypeSelectionDialog2 dialog = new TypeSelectionDialog2(...);        dialog.setFilter(...);        dialog.setTitle(...);        dialog.setMessage(...);                if (dialog.open() == IDialogConstants.CANCEL_ID)           return;        Object[] types= dialog.getResult();        if (types == null || types.length == 0)           return;                IType type = (IType)types[0];        IResource res = type.getResource();    }catch(Exception e){        ...    }

 

ElementTreeSelectionDialog   ElementTreeSelectionDialog不属于JDT内核UI，但是我们构造了合适的validator和filter之后，ElementTreeSelectionDialog就可以提供出一个选择Java源文件容器的对话框，在Eclipse JDT 的概念中，Java程序中的每一个Package叫做IPackageFragment，那么这个Java源文件容器叫做IPackageFragmentRoot。   示例代码：     ElementTreeSelectionDialog dialog= new ElementTreeSelectionDialog(...);     dialog.setValidator(validator);//校验所选中的是否是合法的    dialog.setSorter(new JavaElementSorter());     dialog.setTitle("Select Java Source Container");     dialog.setMessage("Select one of java source containers from workspace.");     dialog.addFilter(filter);//对于选择操作的过滤     dialog.setInput(IJavaModel)//将工作区的Java模型传入     dialog.setInitialSelection(fWorkspaceRoot.getProject());//初始选择　　... ...

ElementListSelectionDialog　　ElementListSelectionDialog也不是JDT核心UI，但是我们通过构造这个Dialog中的元素列表，让其提供出一个Java 程序中Package选择列表对话框。  ElementListSelectionDialog dialog= new ElementListSelectionDialog(...));  dialog.setIgnoreCase(false);  dialog.setTitle("Select Packages From Java Project ");  dialog.setMessage("Select packages from java project which you pre-selected.");  dialog.setEmptyListMessage("There is no package in selected project.");  dialog.setElements(packages);//列表中的元素