Attachment 35463 Details for Bug 129749 – Snippet illustrating the DND behaviour

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Snippet illustrating the DND behaviour

DNDTest.java (text/plain), 6.28 KB, created by Andre N. Klingsheim

on 2006-02-28 05:34:22 EST

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Filename:

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Creator: Andre N. Klingsheim

Created: 2006-02-28 05:34:22 EST

Size: 6.28 KB

patch

obsolete

>
>
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.graphics.Point;
>import org.eclipse.swt.graphics.Rectangle;
>import org.eclipse.swt.layout.FillLayout;
>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.Label;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Text;
>import org.eclipse.swt.dnd.*;
>
>
>public class DNDTest extends org.eclipse.swt.widgets.Composite {
>
>    
>    private Text text1;
>    private Text text2;
>    private Label label1;
> 
>
>    public DNDTest(Composite parent, int style) {
>        super(parent, style);
>        initGUI();
>    }
>    
>    /**
>    * Initializes the GUI.
>    */
>    private void initGUI() {
>        try {
>            this.setSize(new org.eclipse.swt.graphics.Point(400,300));
>           
>            GridLayout thisLayout = new GridLayout(1, true);
>            thisLayout.marginWidth = 5;
>            thisLayout.marginHeight = 5;
>            thisLayout.numColumns = 1;
>            thisLayout.makeColumnsEqualWidth = true;
>            thisLayout.horizontalSpacing = 5;
>            thisLayout.verticalSpacing = 5;
>            this.setLayout(thisLayout);
>            
>            label1 = new Label(this, SWT.NONE);
>            GridData label1LData = new GridData();
>            label1LData.widthHint = 318;
>            label1LData.heightHint = 17;
>            label1.setLayoutData(label1LData);
>            label1.setText("label1");
>        
>            text1 = new Text(this, SWT.MULTI | SWT.WRAP);
>            GridData text1LData = new GridData();
>            text1LData.widthHint = 370;
>            text1LData.heightHint = 104;
>            text1.setLayoutData(text1LData);
>            text1.setText("Drop links here!");
>            
>        
>            text2 = new Text(this, SWT.MULTI | SWT.WRAP);
>            GridData text2LData = new GridData();
>            text2LData.widthHint = 358;
>            text2LData.heightHint = 113;
>            text2.setLayoutData(text2LData);
>            text2.setText("text2");
>        
>        
>            Transfer[] types = new Transfer[] {FileTransfer.getInstance(),
>                    HTMLTransfer.getInstance(),
>                    RTFTransfer.getInstance(),
>                    TextTransfer.getInstance()};
>            DropTarget target = new DropTarget(text1, DND.DROP_DEFAULT | DND.DROP_COPY | DND.DROP_LINK | DND.DROP_MOVE);
>            //DropTarget target = new DropTarget(text1, DND.DROP_DEFAULT| DND.DROP_MOVE);
>            target.setTransfer(types);
>            target.addDropListener (new DropTargetAdapter() {
>            public void drop(DropTargetEvent event) {
>                switch(event.detail){
>                case DND.DROP_NONE:
>                    label1.setText("DROP_NONE");
>                    break;
>                /*case DND.DROP_MOVE:
>                    label1.setText("DROP_MOVE");
>                    break;
>                case DND.DROP_COPY:
>                    label1.setText("DROP_COPY");
>                    break;
>                case DND.DROP_LINK:
>                    label1.setText("DROP_LINK");
>                    break;*/
>                }
>                
>                
>               
>               
>                    if (FileTransfer.getInstance().isSupportedType(event.currentDataType)){
>                        System.err.println("FileTransfer supported");
>                        String[] stuff=(String[])event.data;
>                        if (stuff!=null){
>                        System.err.println("Files dropped: "+stuff.length);
>                        for (int i = 0; i < stuff.length; i++) {
>                            System.err.println(stuff[i]);
>                        }
>                        }else{
>                            System.err.println("Data was null ");
>                        }
>                    }else if (HTMLTransfer.getInstance().isSupportedType(event.currentDataType)){
>                        System.err.println("HTMLTransfer supported");
>                        String stuff=(String)event.data;
>                        if (stuff!=null){
>                        System.err.println("HTML dropped: "+stuff);
>                        }else{
>                            System.err.println("Data was null ");
>                        }
>                    }else if (RTFTransfer.getInstance().isSupportedType(event.currentDataType)){
>                        System.err.println("RTFTransfer supported");
>                        String stuff=(String)event.data;
>                        if (stuff!=null){
>                        System.err.println("RTF dropped: "+stuff);
>                        }else{
>                            System.err.println("Data was null ");
>                        }
>                    }else if (TextTransfer.getInstance().isSupportedType(event.currentDataType)){
>                        System.err.println("TextTransfer supported");
>                        String stuff=(String)event.data;
>                        if (stuff!=null){
>                        System.err.println("Text dropped: "+stuff);
>                        }else{
>                            System.err.println("Data was null ");
>                        }
>                    }else{
>                        System.err.println("Unkown datatype");
>                    }
>                
>               
>                
>            }
>            });
>            
>            this.layout();
>        } catch (Exception e) {
>            e.printStackTrace();
>        }
>    }
>    
>    /**
>    * Auto-generated main method to display this 
>    * org.eclipse.swt.widgets.Composite inside a new Shell.
>    */
>    public static void main(String[] args) {
>        Display display = Display.getDefault();
>        Shell shell = new Shell(display);
>        DNDTest inst = new DNDTest(shell, SWT.NULL);
>        Point size = inst.getSize();
>        shell.setLayout(new FillLayout());
>        shell.layout();
>        if(size.x == 0 && size.y == 0) {
>            inst.pack();
>            shell.pack();
>        } else {
>            Rectangle shellBounds = shell.computeTrim(0, 0, size.x, size.y);
>            shell.setSize(shellBounds.width, shellBounds.height);
>        }
>        shell.open();
>        while (!shell.isDisposed()) {
>            if (!display.readAndDispatch())
>                display.sleep();
>        }
>    }
>
>}

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Attachments on bug 129749: 35463