/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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 pivot.demos.dnd;
import java.io.IOException;
import pivot.collections.Dictionary;
import pivot.io.FileList;
import pivot.wtk.Application;
import pivot.wtk.Button;
import pivot.wtk.ButtonPressListener;
import pivot.wtk.Clipboard;
import pivot.wtk.Component;
import pivot.wtk.DesktopApplicationContext;
import pivot.wtk.Display;
import pivot.wtk.DragSource;
import pivot.wtk.DropAction;
import pivot.wtk.DropTarget;
import pivot.wtk.ImageView;
import pivot.wtk.Label;
import pivot.wtk.ListView;
import pivot.wtk.LocalManifest;
import pivot.wtk.Manifest;
import pivot.wtk.Point;
import pivot.wtk.PushButton;
import pivot.wtk.Visual;
import pivot.wtk.Window;
import pivot.wtk.media.Image;
import pivot.wtkx.Bindable;
public class DragAndDropDemo extends Bindable implements Application {
@Load(resourceName="drag_and_drop.wtkx") private Window window;
@Bind(fieldName="window") private Label label;
@Bind(fieldName="window") private PushButton copyTextButton;
@Bind(fieldName="window") private PushButton pasteTextButton;
@Bind(fieldName="window") private ImageView imageView;
@Bind(fieldName="window") private PushButton copyImageButton;
@Bind(fieldName="window") private PushButton pasteImageButton;
@Bind(fieldName="window") private ListView listView;
@Bind(fieldName="window") private PushButton copyFilesButton;
@Bind(fieldName="window") private PushButton pasteFilesButton;
public void startup(Display display, Dictionary<String, String> properties)
throws Exception {
bind();
// Text
label.setDragSource(new DragSource() {
private LocalManifest content = null;
public boolean beginDrag(Component component, int x, int y) {
String text = label.getText();
if (text != null) {
content = new LocalManifest();
content.putText(label.getText());
}
return (content != null);
}
public void endDrag(Component component, DropAction dropAction) {
content = null;
}
public boolean isNative() {
return true;
}
public LocalManifest getContent() {
return content;
}
public Visual getRepresentation() {
return null;
}
public Point getOffset() {
return null;
}
public int getSupportedDropActions() {
return DropAction.COPY.getMask();
}
});
label.setDropTarget(new DropTarget() {
public DropAction dragEnter(Component component, Manifest dragContent,
int supportedDropActions, DropAction userDropAction) {
DropAction dropAction = null;
if (dragContent.containsText()
&& DropAction.COPY.isSelected(supportedDropActions)) {
dropAction = DropAction.COPY;
}
return dropAction;
}
public void dragExit(Component component) {
}
public DropAction dragMove(Component component, Manifest dragContent,
int supportedDropActions, int x, int y, DropAction userDropAction) {
return (dragContent.containsText() ? DropAction.COPY : null);
}
public DropAction userDropActionChange(Component component, Manifest dragContent,
int supportedDropActions, int x, int y, DropAction userDropAction) {
return (dragContent.containsText() ? DropAction.COPY : null);
}
public DropAction drop(Component component, Manifest dragContent,
int supportedDropActions, int x, int y, DropAction userDropAction) {
DropAction dropAction = null;
if (dragContent.containsText()) {
try {
label.setText(dragContent.getText());
dropAction = DropAction.COPY;
} catch(IOException exception) {
System.err.println(exception);
}
}
dragExit(component);
return dropAction;
}
});
copyTextButton.getButtonPressListeners().add(new ButtonPressListener() {
public void buttonPressed(Button button) {
String text = label.getText();
LocalManifest clipboardContent = new LocalManifest();
clipboardContent.putText(text);
Clipboard.setContent(clipboardContent);
}
});
pasteTextButton.getButtonPressListeners().add(new ButtonPressListener() {
public void buttonPressed(Button button) {
Manifest clipboardContent = Clipboard.getContent();
if (clipboardContent != null
&& clipboardContent.containsText()) {
try {
label.setText(clipboardContent.getText());
} catch(IOException exception) {
System.err.println(exception);
}
}
}
});
// Images
imageView.setDragSource(new DragSource() {
private LocalManifest content = null;
public boolean beginDrag(Component component, int x, int y) {
Image image = imageView.getImage();
if (image != null) {
content = new LocalManifest();
content.putImage(image);
}
return (content != null);
}
public void endDrag(Component component, DropAction dropAction) {
content = null;
}
public boolean isNative() {
return true;
}
public LocalManifest getContent() {
return content;
}
public Visual getRepresentation() {
return null;
}
public Point getOffset() {
return null;
}
public int getSupportedDropActions() {
return DropAction.COPY.getMask();
}
});
imageView.setDropTarget(new DropTarget() {
public DropAction dragEnter(Component component, Manifest dragContent,
int supportedDropActions, DropAction userDropAction) {
DropAction dropAction = null;
if (dragContent.containsImage()
&& DropAction.COPY.isSelected(supportedDropActions)) {
dropAction = DropAction.COPY;
}
return dropAction;
}
public void dragExit(Component component) {
}
public DropAction dragMove(Component component, Manifest dragContent,
int supportedDropActions, int x, int y, DropAction userDropAction) {
return (dragContent.containsImage() ? DropAction.COPY : null);
}
public DropAction userDropActionChange(Component component, Manifest dragContent,
int supportedDropActions, int x, int y, DropAction userDropAction) {
return (dragContent.containsImage() ? DropAction.COPY : null);
}
public DropAction drop(Component component, Manifest dragContent,
int supportedDropActions, int x, int y, DropAction userDropAction) {
DropAction dropAction = null;
if (dragContent.containsImage()) {
try {
imageView.setImage(dragContent.getImage());
dropAction = DropAction.COPY;
} catch(IOException exception) {
System.err.println(exception);
}
}
dragExit(component);
return dropAction;
}
});
copyImageButton.getButtonPressListeners().add(new ButtonPressListener() {
public void buttonPressed(Button button) {
Image image = imageView.getImage();
if (image != null) {
LocalManifest clipboardContent = new LocalManifest();
clipboardContent.putImage(image);
Clipboard.setContent(clipboardContent);
}
}
});
pasteImageButton.getButtonPressListeners().add(new ButtonPressListener() {
public void buttonPressed(Button button) {
Manifest clipboardContent = Clipboard.getContent();
if (clipboardContent != null
&& clipboardContent.containsImage()) {
try {
imageView.setImage(clipboardContent.getImage());
} catch(IOException exception) {
System.err.println(exception);
}
}
}
});
// Files
listView.setListData(new FileList());
listView.setDragSource(new DragSource() {
private LocalManifest content = null;
public boolean beginDrag(Component component, int x, int y) {
ListView listView = (ListView)component;
FileList fileList = (FileList)listView.getListData();
if (fileList.getLength() > 0) {
content = new LocalManifest();
content.putFileList(fileList);
}
return (content != null);
}
public void endDrag(Component component, DropAction dropAction) {
content = null;
}
public boolean isNative() {
return true;
}
public LocalManifest getContent() {
return content;
}
public Visual getRepresentation() {
return null;
}
public Point getOffset() {
return null;
}
public int getSupportedDropActions() {
return DropAction.COPY.getMask();
}
});
listView.setDropTarget(new DropTarget() {
public DropAction dragEnter(Component component, Manifest dragContent,
int supportedDropActions, DropAction userDropAction) {
DropAction dropAction = null;
if (dragContent.containsFileList()
&& DropAction.COPY.isSelected(supportedDropActions)) {
dropAction = DropAction.COPY;
}
return dropAction;
}
public void dragExit(Component component) {
}
public DropAction dragMove(Component component, Manifest dragContent,
int supportedDropActions, int x, int y, DropAction userDropAction) {
return (dragContent.containsFileList() ? DropAction.COPY : null);
}
public DropAction userDropActionChange(Component component, Manifest dragContent,
int supportedDropActions, int x, int y, DropAction userDropAction) {
return (dragContent.containsFileList() ? DropAction.COPY : null);
}
public DropAction drop(Component component, Manifest dragContent,
int supportedDropActions, int x, int y, DropAction userDropAction) {
DropAction dropAction = null;
if (dragContent.containsFileList()) {
try {
listView.setListData(dragContent.getFileList());
dropAction = DropAction.COPY;
} catch(IOException exception) {
System.err.println(exception);
}
}
dragExit(component);
return dropAction;
}
});
copyFilesButton.getButtonPressListeners().add(new ButtonPressListener() {
public void buttonPressed(Button button) {
// TODO
}
});
pasteFilesButton.getButtonPressListeners().add(new ButtonPressListener() {
public void buttonPressed(Button button) {
// TODO
}
});
window.open(display);
}
public boolean shutdown(boolean optional) {
if (window != null) {
window.close();
}
return true;
}
public void suspend() {
}
public void resume() {
}
public static void main(String[] args) {
DesktopApplicationContext.main(DragAndDropDemo.class, args);
}
}