/* Copyright 2012 Aguzzi Cristiano
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 jada.ngeditor.listeners;
import de.lessvoid.nifty.elements.Element;
import de.lessvoid.nifty.layout.align.HorizontalAlign;
import de.lessvoid.nifty.layout.align.VerticalAlign;
import de.lessvoid.nifty.tools.SizeValue;
import jada.ngeditor.controller.CommandProcessor;
import jada.ngeditor.controller.commands.EditAttributeCommand;
import jada.ngeditor.controller.commands.SelectCommand;
import jada.ngeditor.guiviews.EditingPopUp;
import jada.ngeditor.guiviews.J2DNiftyView;
import jada.ngeditor.listeners.events.SelectionChanged;
import jada.ngeditor.listeners.events.UpdateElementEvent;
import jada.ngeditor.model.GUI;
import jada.ngeditor.model.elements.GElement;
import jada.ngeditor.model.elements.GLayer;
import jada.ngeditor.model.elements.GScreen;
import java.awt.Cursor;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.List;
import java.util.Observable;
import java.util.Observer;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.Timer;
import javax.swing.TransferHandler;
/**
*
* @author cris
*/
public class GuiSelectionListener extends MouseAdapter implements ActionListener,Observer,KeyListener{
private final byte DIR_N=0;
private final byte DIR_E=1;
private final byte DIR_S=2;
private final byte DIR_W=3;
private final byte DIR_SE=4;
private final byte NOP=-1;
private byte curDir;
private GUI gui;
private Timer hold;
private MouseEvent toServe;
private JPopupMenu p;
private boolean enable;
private Rectangle selected;
private boolean selecting;
private boolean dragging;
private J2DNiftyView niftyView;
public GuiSelectionListener(GUI gui,J2DNiftyView view) {
this.gui=gui;
gui.addObserver(this);
this.gui.getSelection().addObserver(this);
this.p= new EditingPopUp();
this.niftyView=view;
enable =true;
this.selected=new Rectangle();
CommandProcessor.getInstance().getObservable().addObserver(GuiSelectionListener.this);
}
public final void startDrag(MouseEvent e) {
if(enable){
if (!(this.getSelected() instanceof GScreen) && !(this.getSelected() instanceof GLayer)) {
JPanel c = (JPanel) e.getComponent();
TransferHandler handler = c.getTransferHandler();
handler.exportAsDrag(c, e, TransferHandler.MOVE);
this.niftyView.getDDManager().startDrag(this.getSelected());
}
}
}
public GElement getSelected(){
return gui.getSelection().getFirst();
}
@Override
public void mousePressed(MouseEvent e) {
if(enable){
e.getComponent().requestFocusInWindow();
toServe = e;
hold = new Timer(225, this);
hold.setRepeats(false);
hold.start();
}
if(e.isPopupTrigger()){
this.p.show(e.getComponent(), e.getX(), e.getY());
}
}
public void mouseReleased(MouseEvent e) {
if(enable){
if (hold != null) {
hold.stop();
}
}
if(e.isPopupTrigger()){
try {
SelectCommand command = CommandProcessor.getInstance().getCommand(SelectCommand.class);
command.selectByPoint(e.getX(), e.getY());
CommandProcessor.getInstance().excuteCommand(command);
this.p.show(e.getComponent(), e.getX(), e.getY());
} catch (Exception ex) {
Logger.getLogger(GuiSelectionListener.class.getName()).log(Level.SEVERE, null, ex);
}
}
if(dragging){
GElement sel = this.getSelected();
dragging = false;
if(sel!=null && this.selected!=null){
try {
EditAttributeCommand xCommand = CommandProcessor.getInstance().getCommand(EditAttributeCommand.class);
EditAttributeCommand yCommand = CommandProcessor.getInstance().getCommand(EditAttributeCommand.class);
EditAttributeCommand wCommand = CommandProcessor.getInstance().getCommand(EditAttributeCommand.class);
EditAttributeCommand hCommand = CommandProcessor.getInstance().getCommand(EditAttributeCommand.class);
Element parent = this.getSelected().getParent().getNiftyElement();
float hp = parent.getHeight();
float wp = parent.getWidth();
int X = this.getSelected().getNiftyElement().getConstraintX().getValueAsInt(wp);
int Y = this.getSelected().getNiftyElement().getConstraintY().getValueAsInt(hp);
xCommand.setAttribute("x");
xCommand.setValue(""+X+"px");
yCommand.setAttribute("y");
yCommand.setValue(""+Y+"px");
wCommand.setAttribute("width");
wCommand.setValue(this.selected.width+"px");
hCommand.setAttribute("height");
hCommand.setValue(this.selected.height+"px");
CommandProcessor.getInstance().batchCommand(xCommand);
CommandProcessor.getInstance().batchCommand(yCommand);
CommandProcessor.getInstance().batchCommand(wCommand);
CommandProcessor.getInstance().batchCommand(hCommand);
CommandProcessor.getInstance().executeBatch();
// sel.lightRefresh();
this.selected.setRect(sel.getBounds());
this.enable();
SelectCommand command = CommandProcessor.getInstance().getCommand(SelectCommand.class);
command.setElement(this.getSelected());
CommandProcessor.getInstance().excuteCommand(command);
} catch (Exception ex) {
Logger.getLogger(GuiSelectionListener.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
}
@Override
public void mouseClicked(MouseEvent e) {
try {
SelectCommand command = CommandProcessor.getInstance().getCommand(SelectCommand.class);
command.selectByPoint(e.getX(), e.getY());
CommandProcessor.getInstance().excuteCommand(command);
e.getComponent().requestFocus();
} catch (Exception ex) {
Logger.getLogger(GuiSelectionListener.class.getName()).log(Level.SEVERE, null, ex);
}
}
@Override
public void actionPerformed(ActionEvent e) {
if(this.toServe!=null)
this.startDrag(toServe);
toServe=null;
}
public void disable(){
this.enable=false;
}
public void enable(){
this.enable=true;
}
@Override
public void mouseMoved(MouseEvent e) {
if(this.selecting){
this.disable();
if(e.getX()>selected.getMaxX()-5 && e.getX()<selected.getMaxX()+5
&& e.getY()>selected.getMaxY()-5
&& e.getY()<selected.getMaxY()+5
){
e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
curDir=DIR_SE;
}else if(e.getX()==selected.getMinX() && (e.getY()<selected.getMaxY() && e.getY()>selected.getMinY() )){
e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.W_RESIZE_CURSOR));
curDir=DIR_W;
}else if(e.getX()==selected.getMaxX() && (e.getY()<selected.getMaxY() && e.getY()>selected.getMinY() )){
e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR));
curDir=DIR_E;
}
else if(e.getY()<selected.getMaxY()+5 && e.getY()>selected.getMaxY()-5
&& (e.getX()<selected.getMaxX() && e.getX()>selected.getMinX() )){
e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR));
curDir=DIR_S;
}
else if(e.getY()==selected.getMinY() && (e.getX()<selected.getMaxX() && e.getX()>selected.getMinX() )){
curDir=DIR_N;
e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.N_RESIZE_CURSOR));
}else if(e.getY()<selected.getCenterY()+10 &&
e.getY()>selected.getCenterY()-10 && (e.getX()<(selected.getCenterX()+10) && e.getX()>selected.getCenterX()-10 )){
e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
this.enable();
curDir = NOP;
}
else{
e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
curDir=NOP;
}
}else{
e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
curDir=NOP;
}
}
@Override
public void mouseDragged(MouseEvent e) {
if(this.selecting){
int to ;
this.dragging=true;
switch (curDir){
case DIR_E:
to=(int) (e.getX() - this.selected.getMaxX());
if((this.selected.width+to)>0){
this.selected.width+=to;
this.getSelected().getNiftyElement().setWidth(selected.width);
//this.gui.getSelected().addAttribute("width",""+selected.width+"px" );
}
break;
case DIR_W:
to=(int) (this.selected.getMinX()-e.getX());
if((this.selected.width+to)>0){
this.selected.x=e.getX();
this.selected.width+=to;
if(this.getSelected().getParent().getAttribute("childLayout").equals("absolute")){
int x = this.getSelected().getParent().getNiftyElement().getX();
//this.gui.getSelected().addAttribute("x",""+(e.getX()-x)+"px" );
this.getSelected().getNiftyElement().setConstraintX(SizeValue.px(e.getX()-x));
this.getSelected().getParent().getNiftyElement().layoutElements();
this.getSelected().getNiftyElement().setWidth(selected.width);
}
// this.gui.getSelected().addAttribute("width",""+selected.width+"px" );
}
break;
case DIR_S:
to=(int) (e.getY()-this.selected.getMaxY());
if((this.selected.height+to)>0){
this.selected.height+=to;
this.getSelected().getNiftyElement().setHeight(selected.height);
}
break;
case DIR_SE:
to=(int) (e.getX() - this.selected.getMaxX());
int toy=(int) (e.getY() - this.selected.getMaxY());
if(((this.selected.width+to)>0) && (this.selected.height+to)>0){
if(e.isControlDown())
this.selected.height+=to;
else
this.selected.height+=toy;
this.getSelected().getNiftyElement().setHeight(selected.height);
this.selected.width+=to;
this.getSelected().getNiftyElement().setWidth(selected.width);
if(e.isControlDown()){
Point gtry = new Point((int)selected.getMaxX(),(int)selected.getMaxY());
// SwingUtilities.convertPointToScreen(gtry, this);
// mouseBot.mouseMove(gtry.x,gtry.y);
}
}
break;
case DIR_N:
to=(int) (this.selected.getMinY()-e.getY());
if((this.selected.height+to)>0){
this.selected.height+=to;
this.selected.y=e.getY();
if(this.getSelected().getParent().getAttribute("childLayout").equals("absolute")){
int y = this.getSelected().getParent().getNiftyElement().getY();
this.getSelected().getNiftyElement().setConstraintY(SizeValue.px(e.getY()-y));
this.getSelected().getParent().getNiftyElement().layoutElements();
this.getSelected().getNiftyElement().setHeight(selected.height);
// this.gui.getSelected().addAttribute("y",""+(e.getY()-y)+"px" );
}
}
break;
default:
dragging=false;
}
niftyView.displayRect(selected.x, selected.y, selected.height, selected.width);
this.getSelected().getNiftyElement().layoutElements();
}
}
@Override
public void update(Observable o, Object arg) {
if(arg instanceof SelectionChanged){
SelectionChanged event = (SelectionChanged) arg;
if(!event.getNewSelection().isEmpty() && !(event.getElement() instanceof GLayer)){
this.selected.setBounds( event.getElement().getBounds());
this.selecting=true;
event.getElement().addObserver(this);
niftyView.displayRect(this.selected.x, this.selected.y, this.selected.height, this.selected.width);
}else{
this.selecting = false;
}
}else if(arg instanceof UpdateElementEvent){
UpdateElementEvent event = (UpdateElementEvent) arg;
this.selected.setBounds(event.getElement().getBounds());
niftyView.displayRect(this.selected.x, this.selected.y, this.selected.height, this.selected.width);
this.selecting=true;
} else{
this.selecting=false;
}
}
@Override
public void keyTyped(KeyEvent e) {
}
@Override
public void keyPressed(KeyEvent e) {
if(GuiSelectionListener.isArrowKey(e.getKeyCode())){
if(!this.gui.getSelection().isEmpty()){
e.consume();
GElement sel = this.getSelected();
String layout = sel.getParent().getAttribute("childLayout");
if(layout.equals("horizontal")) {
horizontalBeahvior(sel,e.getKeyCode());
}
else if(layout.equals("vertical")) {
verticalBeahvior(sel,e.getKeyCode());
}
else if(layout.equals("absolute")) {
absoluteBehavior(sel,e.getKeyCode());
}else if(sel instanceof GLayer){
layerBeahvior(sel,e.getKeyCode());
}
}
}
//NOTE: why it was here?
// this.gui.fireUpdate(sel);
}
@Override
public void keyReleased(KeyEvent e) {
// throw new UnsupportedOperationException("Not supported yet.");
}
private void absoluteBehavior(GElement sel,int key){
Element parent = sel.getParent().getNiftyElement();
int xp = parent.getX();
int yp = parent.getY();
int totalPaddingHorz = parent.getPaddingLeft().getValueAsInt(parent.getWidth());
int totalPaddingVert = parent.getPaddingTop().getValueAsInt(parent.getHeight());
int x = sel.getNiftyElement().getX()-(xp+totalPaddingHorz);
int y = sel.getNiftyElement().getY()-(yp+totalPaddingVert);
if(key==KeyEvent.VK_DOWN){
y++;
sel.addAttribute("y", ""+y);
sel.lightRefresh();
}else if(key==KeyEvent.VK_UP){
y--;
sel.addAttribute("y", ""+y);
sel.lightRefresh();
}else if(key==KeyEvent.VK_LEFT){
x--;
sel.addAttribute("x", ""+x);
sel.lightRefresh();
}else if(key==KeyEvent.VK_RIGHT){
x++;
sel.addAttribute("x", ""+x);
sel.lightRefresh();
}
niftyView.displayRect(x, y,sel.getNiftyElement().getHeight(), sel.getNiftyElement().getWidth() );
this.selected.setRect(sel.getNiftyElement().getX(), sel.getNiftyElement().getY(),sel.getNiftyElement().getWidth(), sel.getNiftyElement().getHeight() );
}
private void horizontalBeahvior(GElement sel,int key){
VerticalAlign current=null;
int index =0;
try{
current = VerticalAlign.valueOf(sel.getAttribute("valign"));
index = current.ordinal();
}catch(IllegalArgumentException e){
current = VerticalAlign.verticalDefault;
index=1;
}
if(key==KeyEvent.VK_UP && index>1){
index--;
VerticalAlign newAlign= VerticalAlign.values()[index];
sel.addAttribute("valign", newAlign.name());
sel.lightRefresh();
}else if(key==KeyEvent.VK_DOWN && ++index < VerticalAlign.values().length){
VerticalAlign newAlign= VerticalAlign.values()[index];
sel.addAttribute("valign", newAlign.name());
sel.lightRefresh();
}else {
index = sel.getParent().getNiftyElement().getElements().indexOf(sel.getNiftyElement());
if(key==KeyEvent.VK_RIGHT && ++index<sel.getParent().getNiftyElement().getElements().size()){
sel.setIndex(index);
sel.lightRefresh();
}else if(key==KeyEvent.VK_LEFT && --index>=0){
sel.setIndex(index);
sel.lightRefresh();
}
}
niftyView.displayRect(sel.getNiftyElement().getX(), sel.getNiftyElement().getY(),sel.getNiftyElement().getHeight(), sel.getNiftyElement().getWidth() );
this.selected.setRect(sel.getNiftyElement().getX(), sel.getNiftyElement().getY(),sel.getNiftyElement().getWidth(), sel.getNiftyElement().getHeight() );
}
private void verticalBeahvior(GElement sel,int key){
HorizontalAlign current=null;
int index =0;
try{
current = HorizontalAlign .valueOf(sel.getAttribute("align"));
index = current.ordinal();
}catch(IllegalArgumentException e){
current = HorizontalAlign.horizontalDefault;
index=1;
}
if(key==KeyEvent.VK_LEFT && index>1){
index--;
HorizontalAlign newAlign= HorizontalAlign.values()[index];
sel.addAttribute("align", newAlign.name());
sel.lightRefresh();
}else if(key==KeyEvent.VK_RIGHT && ++index < HorizontalAlign.values().length){
HorizontalAlign newAlign= HorizontalAlign.values()[index];
sel.addAttribute("align", newAlign.name());
sel.lightRefresh();
}else {
index = sel.getParent().getNiftyElement().getElements().indexOf(sel.getNiftyElement());
if(key==KeyEvent.VK_DOWN && ++index<sel.getParent().getNiftyElement().getElements().size()){
sel.setIndex(index);
sel.lightRefresh();
}else if(key==KeyEvent.VK_UP && --index>=0){
sel.setIndex(index);
sel.lightRefresh();
}
}
niftyView.displayRect(sel.getNiftyElement().getX(), sel.getNiftyElement().getY(),sel.getNiftyElement().getHeight(), sel.getNiftyElement().getWidth() );
this.selected.setRect(sel.getNiftyElement().getX(), sel.getNiftyElement().getY(),sel.getNiftyElement().getWidth(), sel.getNiftyElement().getHeight() );
}
private void layerBeahvior(GElement sel, int keyCode) {
List<Element> children = sel.getParent().getNiftyElement().getChildren();
int index = children.indexOf(sel.getNiftyElement());
if(keyCode==KeyEvent.VK_UP && index > 0 ){
index--;
sel.setIndex(index);
}else if(keyCode == KeyEvent.VK_DOWN && index < (children.size() - 1)){
index++;
sel.setIndex(index);
}
}
private static boolean isArrowKey(int keyCode){
return keyCode == KeyEvent.VK_DOWN || keyCode==KeyEvent.VK_UP || keyCode==KeyEvent.VK_LEFT || keyCode ==KeyEvent.VK_RIGHT ;
}
}