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| package test;
import java.awt.Color;
import java.io.File;
import java.util.ArrayList;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.CellLabelProvider;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ColumnViewerEditor;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.FocusCellOwnerDrawHighlighter;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.ITreeViewerListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.TreeExpansionEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.TreeViewerColumn;
import org.eclipse.jface.viewers.TreeViewerEditor;
import org.eclipse.jface.viewers.TreeViewerFocusCellManager;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.ProgressBar;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.ViewPart;
public class NavigationView extends ViewPart {
public static final String ID = "Test.navigationView";
private static TreeViewer viewer;
private File racine;
private TreeParent root;
private Display display = PlatformUI.getWorkbench().getDisplay();
private ProgressBar progressBar;
public static TreeViewer getViewer(){
return viewer;
}
class TreeObject {
private String name;
private TreeParent parent;
public TreeObject(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setParent(TreeParent parent) {
this.parent = parent;
}
public TreeParent getParent() {
return parent;
}
public String toString() {
return getName();
}
public String getPath(){
String retour = this.name;
if (parent != null){
retour = parent.getPath() + File.separator + retour;
}
return retour;
}
public String toString(String indent){
String retour = "";
retour += indent + this.name;
return retour;
}
}
class TreeParent extends TreeObject {
private ArrayList<TreeObject> children;
public TreeParent(String name) {
super(name);
children = new ArrayList<TreeObject>();
}
public void addChild(TreeObject child) {
children.add(child);
child.setParent(this);
}
public void removeChild(TreeObject child) {
children.remove(child);
child.setParent(null);
}
public void removeAllChild(){
while (this.hasChildren()){
removeChild(this.children.get(0));
}
}
public TreeObject[] getChildren() {
return (TreeObject[]) children.toArray(new TreeObject[children.size()]);
}
public boolean hasChildren() {
return children.size()>0;
}
public String toString(String indent){
String retour = "";
retour += indent + super.name + "\n";
for (Object to : children){
retour += ((TreeObject)to).toString(indent + " - ") + "\n";
}
return retour;
}
}
class ViewContentProvider implements IStructuredContentProvider,
ITreeContentProvider {
public void inputChanged(Viewer v, Object oldInput, Object newInput) {
}
public void dispose() {
}
public Object[] getElements(Object parent) {
return getChildren(parent);
}
public Object getParent(Object child) {
if (child instanceof TreeObject) {
return ((TreeObject)child).getParent();
}
return null;
}
public Object[] getChildren(Object parent) {
if (parent instanceof TreeParent) {
return ((TreeParent)parent).getChildren();
}
return new Object[0];
}
public boolean hasChildren(Object parent) {
if (parent instanceof TreeParent)
return ((TreeParent)parent).hasChildren();
return false;
}
}
class ViewLabelProvider extends LabelProvider {
public String getText(Object obj) {
return obj.toString();
}
public Image getImage(Object obj) {
String imageKey = ISharedImages.IMG_OBJ_ELEMENT;
if (obj instanceof TreeParent)
imageKey = ISharedImages.IMG_OBJ_FOLDER;
return PlatformUI.getWorkbench().getSharedImages().getImage(imageKey);
}
}
/**
* We will set up a dummy model to initialize tree heararchy. In real
* code, you will connect to a real model and expose its hierarchy.
*/
private TreeObject createDummyModel() {
racine = new File(File.separator);
root = new TreeParent(File.separator);
for (String filDir : racine.list()){
File f = new File(File.separator + filDir);
TreeObject to = null;
if (f.isFile()){
to = new TreeObject(filDir);
}else{
if (f.isDirectory()){
File fTemp = new File(filDir);
TreeParent tp = new TreeParent(fTemp.getName());
if (f.list() != null){
tp.addChild(new TreeObject(""));
}
to = tp;
}
}
if (to != null) root.addChild(to);
}
System.out.println(root.toString("-"));
return root;
}
public void exploreDirectory(String filDir, TreeParent tp){
File f = new File(filDir);
tp.removeAllChild();
if (f.list() != null ){
for (String filDirTemp : f.list()){
File fTemp = new File(filDir + File.separator + filDirTemp);
TreeObject to = null;
if (fTemp.isFile()){
to = new TreeObject(filDirTemp);
}else{
if (fTemp.isDirectory()){
to = new TreeParent(filDirTemp);
File fTemp2 = new File(filDir + File.separator + filDirTemp);
if (fTemp2.list() != null){
((TreeParent)(to)).addChild(new TreeObject(""));
}
}
}
if (to != null) {
tp.addChild(to);
}
}
}
}
/**
* This is a callback that will allow us to create the viewer and initialize
* it.
*/
public void createPartControl(Composite parent) {
Shell shell = new Shell(display);
shell.setLayout(new GridLayout());
progressBar = new ProgressBar(shell, SWT.HORIZONTAL | SWT.SMOOTH);
progressBar.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
progressBar.setMinimum(0);
progressBar.setMaximum(30);
viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
viewer.setContentProvider(new ViewContentProvider());
viewer.setLabelProvider(new ViewLabelProvider());
createDummyModel();
viewer.setInput(root);
viewer.addTreeListener(new ITreeViewerListener() {
@Override
public void treeExpanded(TreeExpansionEvent event) {
TreeParent tp = (TreeParent)event.getElement();
exploreDirectory(tp.getPath(), tp);
display.asyncExec(new Runnable(){
public void run(){
//LongRunningOperation lp = new LongRunningOperation(display, progressBar);
//lp.start();
viewer.refresh();
}
});
}
@Override
public void treeCollapsed(TreeExpansionEvent event) {}
});
TreeViewerFocusCellManager focusCellManager = new TreeViewerFocusCellManager(viewer,new FocusCellOwnerDrawHighlighter(viewer));
ColumnViewerEditorActivationStrategy actSupport = new ColumnViewerEditorActivationStrategy(viewer) {
protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event) {
return event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
}
};
TreeViewerEditor.create(viewer, focusCellManager, actSupport, ColumnViewerEditor.TABBING_HORIZONTAL
| ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
| ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION);
final TextCellEditor textCellEditor = new TextCellEditor(viewer.getTree());
TreeViewerColumn column = new TreeViewerColumn(viewer, SWT.NONE);
column.getColumn().setWidth(200);
column.setLabelProvider(new CellLabelProvider() {
@Override
public void update(ViewerCell cell) {
System.out.println(cell.getElement().toString());
}
});
column.setEditingSupport(new EditingSupport(viewer) {
@Override
protected void setValue(Object element, Object value) {
File fich = new File(element.toString());
System.out.println(fich.getAbsolutePath());
System.out.println(value.toString());
fich.renameTo(new File(value.toString()));
viewer.update(element, null);
}
@Override
protected Object getValue(Object element) {
// TODO Auto-generated method stub
//System.out.println(((TreeObject)element).getName().toString());
return ((TreeObject)element).getName();
}
@Override
protected CellEditor getCellEditor(Object element) {
// TODO Auto-generated method stub
return textCellEditor;
}
@Override
protected boolean canEdit(Object element) {
// TODO Auto-generated method stub
return true;
}
});
MenuManager menuMgr = new MenuManager("#PopupMenu");
menuMgr.setRemoveAllWhenShown(true);
Menu menu = menuMgr.createContextMenu(viewer.getControl());
viewer.getControl().setMenu(menu);
getSite().registerContextMenu(menuMgr, viewer);
parent.update();
}
class LongRunningOperation extends Thread {
private Display display;
private ProgressBar progressBar;
public LongRunningOperation(Display display, ProgressBar progressBar) {
this.display = display;
this.progressBar = progressBar;
}
public void run() {
for (int i = 0; i < 30; i++) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {}
display.asyncExec(new Runnable() {
public void run() {
if (progressBar.isDisposed()) return;
progressBar.setSelection(progressBar.getSelection() + 1);
}
});
}
}
}
/**
* Passing the focus request to the viewer's control.
*/
public void setFocus() {
viewer.getControl().setFocus();
}
} |
Partager