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/*******************************************************************************
* Copyright (c) 2014 Elphel, Inc.
* Copyright (c) 2006 Elphel, Inc and Excelsior, LLC.
* This file is a part of VDT plug-in.
* VDT plug-in is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* VDT plug-in is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Additional permission under GNU GPL version 3 section 7:
* If you modify this Program, or any covered work, by linking or combining it
* with Eclipse or Eclipse plugins (or a modified version of those libraries),
* containing parts covered by the terms of EPL/CPL, the licensors of this
* Program grant you additional permission to convey the resulting work.
* {Corresponding Source for a non-source form of such a combination shall
* include the source code for the parts of Eclipse or Eclipse plugins used
* as well as that of the covered work.}
*******************************************************************************/
package com.elphel.vdt.ui.views;
//import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import java.io.File;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.atomic.AtomicBoolean;
import org.eclipse.core.resources.IResource;
//import org.eclipse.jface.viewers.TreeViewer;
//import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
//import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
import com.elphel.vdt.VDT;
import com.elphel.vdt.core.tools.ToolsCore;
import com.elphel.vdt.core.tools.config.Config;
import com.elphel.vdt.core.tools.contexts.PackageContext;
import com.elphel.vdt.core.tools.contexts.ProjectContext;
import com.elphel.vdt.core.tools.menu.DesignMenu;
import com.elphel.vdt.core.tools.menu.DesignMenuItem;
import com.elphel.vdt.core.tools.menu.DesignMenuToolItem;
import com.elphel.vdt.core.tools.params.Tool;
import com.elphel.vdt.core.tools.params.Tool.TOOL_STATE;
import com.elphel.vdt.ui.VDTPluginImages;
import com.elphel.vdt.ui.variables.SelectedResourceManager;
/**
* Adapter of core design menu for user interface level.
*
* Created: 28.03.2006
* @author Lvov Konstantin
*/
public class DesignMenuModel {
private Config config;
private MenuItem root;
private final int IMAGE_MARGIN=2;
public DesignMenuModel(DesignMenu menu) {
config = ToolsCore.getConfig();
root = new MenuItem(null, menu);
}
public Item[] getItems() {
return root.getChildren();
}
// ------------------------------------------------------------------------
public abstract class Item {
private static final String ICON_ID_PREFIX = VDT.ID_VDT + ".DesignMenu.Image.";
private String imageKey = null;
protected String imageKeyState = null;
private DesignMenuItem source;
private Item parent;
private int animN;
private Rectangle animBounds=null;
private ImageData[] imageData=null;
// private boolean animEn=true; // just testing, fill be false;
final private AtomicBoolean animBusy=new AtomicBoolean(false);
private Timer timer=null;
// private int updateWidth=16;
private Item(Item parent, DesignMenuItem source) {
this.parent = parent;
this.source = source;
this.timer=null;
String image = source.getIcon();
if (image != null) {
// imageKey = ICON_ID_PREFIX + source.getName();
imageKey = ICON_ID_PREFIX + (new File(source.getName())).getName();
if (VDTPluginImages.getImage(imageKey) == null)
VDTPluginImages.addImage(image, imageKey, null/*tool.getLaunchType()*/);
}
}
public boolean isEnabled(IResource resource) {
return false;
}
public boolean isEnabled(String path) {
return false;
}
public Object getParent() {
return parent;
}
public Item[] getChildren() {
return new Item[0];
}
public boolean hasChildren() {
return false;
}
public String toString() {
String label = source.getLabel();
return label != null ? label : "Unknown";
}
public String getLabel() {
return toString();
}
public String getImageKey() {
return imageKey;
}
public void measureItem (Event event){
if (imageKeyState==null) return;
Image image=VDTPluginImages.getImage(imageKeyState);
if (image!=null) event.width+=IMAGE_MARGIN+image.getBounds().width;
}
public void showStateIcon(Event event, final Tree tree, final TreeItem item){
if ((imageKeyState==null) || (item.isDisposed())) return;
int x = event.x + event.width + IMAGE_MARGIN;
int itemHeight = tree.getItemHeight();
imageData=VDTPluginImages.getImageData(imageKeyState);
Image frameImage;
boolean isAnimation=false;
if ((imageData!=null) && (imageData.length>1) && animBusy.compareAndSet(false,true)){
isAnimation=true;
animN=animN % imageData.length;
frameImage = new Image(Display.getDefault(),imageData[animN]);
} else {
frameImage = VDTPluginImages.getImage(imageKeyState); // do not dispose() !
}
int imageHeight = frameImage.getBounds().height;
int y = event.y + (itemHeight - imageHeight) / 2;
event.gc.drawImage(frameImage, x, y);
// System.out.println("showStateIcon(): "+imageKeyState);
if (isAnimation){
animBounds=frameImage.getBounds();
frameImage.dispose();
final int fDelayTime=imageData[animN].delayTime*10; // ms
animN++;
// item does not include our animation on the right of it, so we need to store image location
// relative to the top right corner of the item (height does not change)
Rectangle r=item.getBounds();
animBounds.x=x-(r.x+r.width);
animBounds.y=y-(r.y);
TimerTask timerTask=new TimerTask() {
@Override
public void run() {
refresh(item, tree); // threw on shutdown -
}
};
if (timer==null) timer=new Timer();
try {
timer.schedule(timerTask, fDelayTime);
} catch (IllegalStateException e){
System.out.println("DesignMenuModel(): Timer was somewhere canceled, recovering");
timer.cancel();
timer=new Timer();
timer.schedule(timerTask, fDelayTime);
}
/*
timer.schedule(new TimerTask() {
@Override
public void run() {
refresh(item, tree); // threw on shutdown -
}
}, fDelayTime);
*/
}
}
public void refresh(final TreeItem item, final Tree tree) {
Display.getDefault().syncExec(new Runnable() {
public void run() {
if (item.isDisposed()) {
animBusy.compareAndSet(true, false);
return;
}
Rectangle r=item.getBounds();
// System.out.println("animBounds="+animBounds.toString()+" item.getBounds()="+item.getBounds().toString());
tree.redraw(
animBounds.x+r.x+r.width,
animBounds.y+r.y,
animBounds.width,
animBounds.height,true);
animBusy.compareAndSet(true, false);
}
});
}
public Tool getTool() {
return null;
}
public Config getConfig() {
return null;
}
public PackageContext getPackageContext() {
return null;
}
public ProjectContext getProjectContext() {
return null;
}
} // class Item
// ------------------------------------------------------------------------
public class ToolItem extends Item {
private Tool tool;
private ToolItem(Item parent, DesignMenuToolItem source) {
super(parent, source);
tool = ToolsCore.getTool(source.getToolName());
}
public boolean isEnabled(IResource resource) {
if (resource == null)
return false;
String extensions[] = tool.getExtensions();
if (extensions == null)
return true;
String resourceExt = resource.getFileExtension();
if (resourceExt == null)
return false;
for (int i=0; i < extensions.length; i++) {
if (resourceExt.equalsIgnoreCase(extensions[i]))
return true;
}
return false;
} // isEnabled(IResource)
public boolean isEnabled(String path) {
if (path == null)
return false;
String extensions[] = tool.getExtensions();
if (extensions == null)
return true;
int index=path.indexOf(".");
if (index<0) return false;
String resourceExt = path.substring(index+1);
for (int i=0; i < extensions.length; i++) {
if (resourceExt.equalsIgnoreCase(extensions[i]))
return true;
}
return false;
} // isEnabled(String)
public Tool getTool() {
return tool;
}
public Config getConfig() {
return config;
}
public PackageContext getPackageContext() {
PackageContext context = tool.getParentPackage();
if ((context != null) && context.isVisible())
return context;
else
return null;
}
public ProjectContext getProjectContext() {
ProjectContext context = tool.getParentProject();
if ((context != null) && context.isVisible())
return context;
else
return null;
}
public void measureItem (Event event){
super.measureItem (event);
boolean pinned=tool.isPinned() || !SelectedResourceManager.getDefault().isToolsLinked();
String iconName,key;
if (tool.isRunning()){
iconName=VDTPluginImages.ICON_TOOLSTATE_RUNNING;
key= VDTPluginImages.KEY_TOOLSTATE_RUNNING;
} else if (tool.isWaiting()){
iconName=VDTPluginImages.ICON_TOOLSTATE_WAITING;
key= VDTPluginImages.KEY_TOOLSTATE_WAITING;
} else if (tool.isAlmostDone()&& (tool.getState()==TOOL_STATE.SUCCESS )){
iconName=VDTPluginImages.ICON_TOOLSTATE_ALMOST_GOOD;
key= VDTPluginImages.KEY_TOOLSTATE_ALMOST_GOOD;
} else if (tool.isAlmostDone()&& (tool.getState()==TOOL_STATE.UNKNOWN )){
iconName=VDTPluginImages.ICON_TOOLSTATE_ALMOST_WTF;
key= VDTPluginImages.KEY_TOOLSTATE_ALMOST_WTF;
} else if (tool.isAlmostDone()){ // restoring state, current state new (erased) or failure
iconName=VDTPluginImages.ICON_TOOLSTATE_ALMOST_GOOD;
key= VDTPluginImages.KEY_TOOLSTATE_ALMOST_GOOD;
} else {
switch (tool.getState()){
case NEW:
iconName=VDTPluginImages.ICON_TOOLSTATE_NEW;
key= VDTPluginImages.KEY_TOOLSTATE_NEW;
break;
case FAILURE:
if (tool.isDirtyOrChanged()){
iconName=VDTPluginImages.ICON_TOOLSTATE_BAD_OLD;
key= VDTPluginImages.KEY_TOOLSTATE_BAD_OLD;
} else {
iconName=VDTPluginImages.ICON_TOOLSTATE_BAD;
key= VDTPluginImages.KEY_TOOLSTATE_BAD;
}
break;
case SUCCESS:
if (pinned){
iconName=VDTPluginImages.ICON_TOOLSTATE_PINNED;
key= VDTPluginImages.KEY_TOOLSTATE_PINNED;
} else {
if (tool.isDirtyOrChanged()){
iconName=VDTPluginImages.ICON_TOOLSTATE_GOOD_OLD;
key= VDTPluginImages.KEY_TOOLSTATE_GOOD_OLD;
} else {
iconName=VDTPluginImages.ICON_TOOLSTATE_GOOD;
key= VDTPluginImages.KEY_TOOLSTATE_GOOD;
}
}
break;
case KEPT_OPEN:
iconName=VDTPluginImages.ICON_TOOLSTATE_KEPT_OPEN;
key= VDTPluginImages.KEY_TOOLSTATE_KEPT_OPEN;
break;
default:
if (tool.isDirtyOrChanged()){
iconName=VDTPluginImages.ICON_TOOLSTATE_WTF_OLD;
key= VDTPluginImages.KEY_TOOLSTATE_WTF_OLD;
} else {
iconName=VDTPluginImages.ICON_TOOLSTATE_WTF;
key= VDTPluginImages.KEY_TOOLSTATE_WTF;
}
}
}
key = Item.ICON_ID_PREFIX + key;
if (VDTPluginImages.getImage(key) == null){
VDTPluginImages.addImage(iconName, key, null);
}
super.imageKeyState=key;
// System.out.println("iconName="+iconName+", key="+key+" imageKeyState="+super.imageKeyState);
/*
*/
//TODO: Save tool state in memento
}
} // class ToolItem
// ------------------------------------------------------------------------
public class MenuItem extends Item {
private Item[] items;
private MenuItem(Item parent, DesignMenu source) {
super(parent, source);
List<Item> itemList = new ArrayList<Item>();
for(Iterator<DesignMenuItem> i = source.getItems().iterator(); i.hasNext();) {
DesignMenuItem menuitem = (DesignMenuItem)i.next();
if(menuitem.isVisible())
itemList.add(CreateItem(this, menuitem));
}
items = (Item[])itemList.toArray(new Item[itemList.size()]);
}
public Item[] getChildren() {
return items;
}
public boolean hasChildren() {
return items.length > 0;
}
} // class MenuItem
private Item CreateItem(Item parent, DesignMenuItem source) {
if (source instanceof DesignMenuToolItem)
return new ToolItem(parent, (DesignMenuToolItem)source);
else if (source instanceof DesignMenu)
return new MenuItem(parent, (DesignMenu)source);
else
assert(false);
return null;
}
} // class DesignMenuModel