polycode-engine/IDE/Contents/Source/PolycodeFrame.cpp

/*
 Copyright (C) 2012 by Ivan Safrin
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
*/

#include "PolycodeFrame.h"


UIColorPicker *globalColorPicker;
PolycodeFrame *globalFrame;

extern UIGlobalMenu *globalMenu;

EditorHolder *activeEditorHolder = NULL;

EditPoint::EditPoint(BezierPoint *point, unsigned int type) : Entity() {
	this->point = point;
	this->type = type;
	processInputEvents = true;
	
	draggingPoint = NULL;
	dragging = false;

	controlHandle1 = new UIImage("Images/bezier_handle.png");
	controlHandle1->setAnchorPoint(0.0, 0.0, 0.0);
	
	controlHandle1->addEventListener(this, InputEvent::EVENT_MOUSEDOWN);
	controlHandle1->addEventListener(this, InputEvent::EVENT_MOUSEUP);
	controlHandle1->addEventListener(this, InputEvent::EVENT_MOUSEUP_OUTSIDE);	
	controlHandle1->processInputEvents = true;
	controlHandle1->setWidth(30);
	controlHandle1->setHeight(30);
		
	addChild(controlHandle1);
	
	controlHandle2 = new UIImage("Images/bezier_handle.png");
	controlHandle2->setAnchorPoint(0.0, 0.0, 0.0);
	controlHandle2->processInputEvents = true;
	
	controlHandle2->addEventListener(this, InputEvent::EVENT_MOUSEDOWN);
	controlHandle2->addEventListener(this, InputEvent::EVENT_MOUSEUP);
	controlHandle2->addEventListener(this, InputEvent::EVENT_MOUSEUP_OUTSIDE);	
	controlHandle2->setWidth(30);
	controlHandle2->setHeight(30);
	
	addChild(controlHandle2);
	
	
	pointHandle = new UIImage("Images/bezier_point.png");
	pointHandle->processInputEvents = true;
	pointHandle->addEventListener(this, InputEvent::EVENT_MOUSEDOWN);
	pointHandle->addEventListener(this, InputEvent::EVENT_MOUSEUP);
	pointHandle->addEventListener(this, InputEvent::EVENT_MOUSEUP_OUTSIDE);	
	pointHandle->setAnchorPoint(0.0, 0.0, 0.0);
	pointHandle->setWidth(30);
	pointHandle->setHeight(30);

	
	if(type == TYPE_START_POINT) {
		controlHandle1->visible = false;
		controlHandle1->enabled = false;		
		connectorLine1 = NULL;
	} else {
		connectorLine1 = new SceneLine(pointHandle, controlHandle1);
		addChild(connectorLine1);
		connectorLine1->setColorInt(39, 212, 255, 128);
		connectorLine1->setLineWidth(2.0);
		connectorLine1->lineSmooth = true;
	}
	
	
	if(type == TYPE_END_POINT) {
		controlHandle2->visible = false;
		controlHandle2->enabled = false;		
		connectorLine2 = NULL;
	} else {
		connectorLine2 = new SceneLine(pointHandle, controlHandle2);
		addChild(connectorLine2);
		connectorLine2->setColorInt(39, 212, 255, 128);
		connectorLine2->setLineWidth(2.0);
		connectorLine2->lineSmooth = true;
	}	
	
	CoreServices::getInstance()->getCore()->getInput()->addEventListener(this, InputEvent::EVENT_MOUSEMOVE);
	
	addChild(pointHandle);	
	
	updatePosition();
}

void EditPoint::setMode(unsigned int mode) {
	this->mode = mode;
}

void EditPoint::updateCurvePoint() {

	point->p1.x = controlHandle1->getPosition2D().x/610;
	point->p1.y = controlHandle1->getPosition2D().y/-254;	

	point->p2.x = pointHandle->getPosition2D().x/610;
	point->p2.y = pointHandle->getPosition2D().y/-254;		
	
	point->p3.x = controlHandle2->getPosition2D().x/610;
	point->p3.y = controlHandle2->getPosition2D().y/-254;	

}

void EditPoint::handleEvent(Event *event) {

	if(event->getDispatcher() == CoreServices::getInstance()->getCore()->getInput()) {
		switch(event->getEventCode()) {
			case InputEvent::EVENT_MOUSEMOVE:
				if(dragging) {
					if(draggingPoint) {
					
						Vector2 newPosition = CoreServices::getInstance()->getCore()->getInput()->getMousePosition();
						
						Vector2 translateAmt = Vector2(basePosition.x - newPosition.x, basePosition.y - newPosition.y);
						
						if(type != TYPE_POINT && draggingPoint == pointHandle) {

							// don't let drag start and end control points
							translateAmt.x = 0.0;
						} 						
						
						draggingPoint->setPosition(basePointPosition.x - translateAmt.x, basePointPosition.y - translateAmt.y);												
						
						if(draggingPoint == pointHandle) {
							controlHandle1->setPosition(baseControl1.x - translateAmt.x, baseControl1.y - translateAmt.y);
							controlHandle2->setPosition(baseControl2.x - translateAmt.x, baseControl2.y - translateAmt.y);																			
						}
						
						limitPoint(pointHandle);
						limitPoint(controlHandle1);
						limitPoint(controlHandle2);
						
						updateCurvePoint();
						dispatchEvent(new Event(), Event::CHANGE_EVENT);
					}
				}
			break;
		}
	}

	if(event->getDispatcher() == pointHandle || event->getDispatcher() == controlHandle1 || event->getDispatcher() == controlHandle2) {
		switch(event->getEventCode()) {
			case InputEvent::EVENT_MOUSEDOWN:
				if(mode == CurveEditor::MODE_SELECT) {
					draggingPoint = (UIImage*)event->getDispatcher();
					dragging = true;
					basePosition = CoreServices::getInstance()->getCore()->getInput()->getMousePosition(); 
					basePointPosition = draggingPoint->getPosition2D();
				
					baseControl1 = controlHandle1->getPosition2D();
					baseControl2 = controlHandle2->getPosition2D();				
				}
				
				if(mode == CurveEditor::MODE_REMOVE) {
					if(type == TYPE_POINT) {
						dispatchEvent(new Event(), Event::CANCEL_EVENT);				
					}
				}
				
			break;
			case InputEvent::EVENT_MOUSEUP:
			case InputEvent::EVENT_MOUSEUP_OUTSIDE:			
				dragging = false;				
				draggingPoint = NULL;
			break;
		}
	}
}

void EditPoint::limitPoint(UIImage *point) {
		if(point->getPosition().x < 0.0)
			point->setPositionX(0.0);
		if(point->getPosition().x > 610.0)
			point->setPositionX(610.0);

		if(point->getPosition().y > 0.0)
			point->setPositionY(0.0);
		if(point->getPosition().y < -254.0)
			point->setPositionY(-254.0);

}

void EditPoint::updatePosition() {
	pointHandle->setPosition(610.0*point->p2.x, -254*point->p2.y, 0.0);	
	controlHandle1->setPosition(610.0*point->p1.x, -254*point->p1.y, 0.0);	
	controlHandle2->setPosition(610.0*point->p3.x, -254*point->p3.y, 0.0);	
}

EditPoint::~EditPoint() {

}

EditCurve::EditCurve(BezierCurve *targetCurve, Color curveColor) : UIElement() {
	
	this->targetCurve = targetCurve;
	
	poly = new Polycode::Polygon();
	
	for(int i=0; i < CURVE_SIZE; i++) {		
		poly->addVertex(0.0, 0.0, 0.0);
	}
	
	visMesh = new SceneMesh(Mesh::LINE_STRIP_MESH);
	visMesh->getMesh()->addPolygon(poly);
	
	visMesh->lineSmooth = true;
	visMesh->lineWidth = 2.0;

	addChild(visMesh);
	visMesh->setPosition(0, 254);	
	visMesh->color = curveColor;
	
	pointsBase = new UIElement();
	addChild(pointsBase);
	
	pointToRemove = NULL;
	
	updateCurve();
	updatePoints();
	
	Deactivate();
}

void EditCurve::updatePoints() {
	for(int i=0; i < points.size(); i++) {
		pointsBase->removeChild(points[i]);
		//delete points[i];
	}
	
	points.clear();
	for(int i=0; i < targetCurve->getNumControlPoints(); i++) {
	
		unsigned int type = EditPoint::TYPE_POINT;
		if(i == 0)
			type = EditPoint::TYPE_START_POINT;

		if(i == targetCurve->getNumControlPoints()-1)
			type = EditPoint::TYPE_END_POINT;


		EditPoint *point = new EditPoint(targetCurve->getControlPoint(i), type);
		point->setMode(mode);
		point->addEventListener(this, Event::CHANGE_EVENT);
		point->addEventListener(this, Event::CANCEL_EVENT);		
		pointsBase->addChild(point);
		points.push_back(point);
		point->setPosition(0, 254);			
	}
}

void EditCurve::setMode(unsigned int mode) {
	this->mode = mode;
	for(int i=0; i < points.size(); i++) {
		points[i]->setMode(mode);
	}
}

void EditCurve::Activate() {
	pointsBase->visible = true;
	pointsBase->enabled = true;
	visMesh->color.a = 1.0;	
}

void EditCurve::Deactivate() {
	pointsBase->visible = false;
	pointsBase->enabled = false;
	visMesh->color.a = 1.0;	
}

void EditCurve::Update() {
	if(pointToRemove) {
		targetCurve->removePoint(pointToRemove->point);
		updatePoints();
		updateCurve();
		pointToRemove = NULL;
	}
}

void EditCurve::handleEvent(Event *event) {
	if(event->getEventCode() == Event::CHANGE_EVENT) {
		updateCurve();
	}

	if(event->getEventCode() == Event::CANCEL_EVENT) {	
		for(int i=0; i < points.size(); i++) {	
			if(event->getDispatcher() == points[i]) {	
				pointToRemove = points[i];
				break;
			}
		}
	}
}

void EditCurve::updateCurve() {
	targetCurve->recalculateDistances();
	targetCurve->rebuildBuffers();
	
	Number interval = 610.0/CURVE_SIZE;
	Number normInterval = 1.0/CURVE_SIZE;
	
	interval += interval/CURVE_SIZE;
	normInterval += normInterval/CURVE_SIZE;
		
	for(int i=0; i < CURVE_SIZE; i++) {
		poly->getVertex(i)->set(targetCurve->getPointAt(normInterval * i).x * 610, targetCurve->getPointAt(normInterval * i).y * -254.0, 0.0);
	}
	
	visMesh->getMesh()->arrayDirtyMap[RenderDataArray::VERTEX_DATA_ARRAY] = true;
}

EditCurve::~EditCurve() {

}

CurveEditor::CurveEditor() : UIWindow("", 750, 300) {
	
	closeOnEscape = true;
		
	bg = new UIImage("Images/curve_editor_bg.png");
	addChild(bg);
	bg->setPosition(160, 63);
	bg->processInputEvents = true;
	bg->addEventListener(this, InputEvent::EVENT_MOUSEDOWN);
	
	selectorImage = new UIImage("Images/ScreenEditor/selector.png");
	selectorImage->setColor(0.0, 0.0, 0.0, 0.3);
	addChild(selectorImage);
		
	selectButton = new UIImageButton("Images/ScreenEditor/arrow.png");
	addChild(selectButton);
	selectButton->addEventListener(this, UIEvent::CLICK_EVENT);
	selectButton->setPosition(170, 33);

	addButton = new UIImageButton("Images/arrow_add.png");
	addChild(addButton);
	addButton->addEventListener(this, UIEvent::CLICK_EVENT);	
	addButton->setPosition(170 + 32, 33);

	removeButton = new UIImageButton("Images/arrow_remove.png");
	addChild(removeButton);
	removeButton->addEventListener(this, UIEvent::CLICK_EVENT);		
	removeButton->setPosition(170 + 64, 33);
	
	selectorImage->setPosition(selectButton->getPosition().x - 4, selectButton->getPosition().y - 4);

	selectedCurve = NULL;

	setMode(0);
	
	treeContainer = new UITreeContainer("boxIcon.png", L"Curves", 145, 280);
	treeContainer->getRootNode()->toggleCollapsed();
	treeContainer->getRootNode()->addEventListener(this, UITreeEvent::SELECTED_EVENT);
	treeContainer->setPosition(12, 33);
	
	treeContainer->getRootNode()->setUserData(NULL);

	
	addChild(treeContainer);	

}

void CurveEditor::onClose() {
	visible = false;
	enabled = false;
}


void CurveEditor::clearCurves() {
	selectedCurve = NULL;
	treeContainer->getRootNode()->clearTree();
	for(int i=0; i < curves.size(); i++) {
		removeChild(curves[i]);
		delete curves[i];
	}
	
	curves.clear();
}

void CurveEditor::addCurve(String name, BezierCurve *curve, Color curveColor) {

	UITree *newNode = treeContainer->getRootNode()->addTreeChild("Images/curve_icon.png", name);
	EditCurve *editCurve = new EditCurve(curve, curveColor);
	addChild(editCurve);
	editCurve->setPosition(160, 63);	
	curves.push_back(editCurve);
	
	newNode->setUserData((void*) editCurve);
	
}

void CurveEditor::setMode(unsigned int mode) {
	this->mode = mode;
	if(selectedCurve) {
		selectedCurve->setMode(mode);
	}
}

void CurveEditor::handleEvent(Event *event) {
	
	if(mode == MODE_ADD) {
		if(event->getDispatcher() == bg) {
			if(event->getEventCode() == InputEvent::EVENT_MOUSEDOWN) {
				InputEvent *inputEvent = (InputEvent*)event;
				if(selectedCurve) {
					Vector2 pos = inputEvent->mousePosition;
					pos.x = pos.x/610.0;
					pos.y = 1.0-(pos.y/254.0);
					
					BezierCurve *targetCurve = selectedCurve->targetCurve;
				
					bool done = false;
					for(int i=0; i < targetCurve->getNumControlPoints(); i++) {
						if(pos.x < targetCurve->getControlPoint(i)->p2.x && !done) {
							targetCurve->insertPoint = targetCurve->getControlPoint(i);
							done = true;							
						}
					}
				
					targetCurve->addControlPoint2dWithHandles(pos.x-0.1, pos.y, pos.x, pos.y, pos.x + 0.1, pos.y);
					selectedCurve->updatePoints();
					selectedCurve->updateCurve();					
				}
			}
		}
	}
	
	if(event->getDispatcher() == selectButton) {
		selectorImage->setPosition(selectButton->getPosition().x - 4, selectButton->getPosition().y - 4);
		setMode(0);
	}

	if(event->getDispatcher() == addButton) {
		selectorImage->setPosition(addButton->getPosition().x - 4, addButton->getPosition().y - 4);
		setMode(1);
	}

	if(event->getDispatcher() == removeButton) {
		selectorImage->setPosition(removeButton->getPosition().x - 4, removeButton->getPosition().y - 4);
		setMode(2);
	}
	
	if(event->getDispatcher() == treeContainer->getRootNode()) {
		if(event->getEventCode() == UITreeEvent::SELECTED_EVENT){ 
			EditCurve *curve = (EditCurve *)treeContainer->getRootNode()->getSelectedNode()->getUserData();
			if(selectedCurve) {
				selectedCurve->Deactivate();
			}
			selectedCurve = curve;
			if(curve) {
				curve->Activate();
				curve->setMode(mode);
			}
		}
	}	
	
	UIWindow::handleEvent(event);
}

CurveEditor::~CurveEditor() {

}

EditorHolder::EditorHolder(PolycodeProject *project, PolycodeEditorManager *editorManager, EditorHolder *parentHolder) : UIElement() {
	this->editorManager = editorManager;
	this->parentHolder = parentHolder;
	this->project = project;
	
	currentEditor = NULL;
	
	holderBar = new UIElement();
	addChild(holderBar);
	
	snapToPixels = true;
	
	headerBg = new UIRect(30, 30);
	holderBar->addChild(headerBg);
	headerBg->color.setColorHexFromString(CoreServices::getInstance()->getConfig()->getStringValue("Polycode", "uiHeaderBgColor"));
	
	vSplitButton = new UIImageButton("Images/editor_vsplit.png");
	holderBar->addChild(vSplitButton);
	vSplitButton->addEventListener(this, UIEvent::CLICK_EVENT);

	hSplitButton = new UIImageButton("Images/editor_hsplit.png");
	holderBar->addChild(hSplitButton);
	hSplitButton->addEventListener(this, UIEvent::CLICK_EVENT);	

	mergeSplitButton = new UIImageButton("Images/editor_mergesplit.png");
	holderBar->addChild(mergeSplitButton);
	mergeSplitButton->addEventListener(this, UIEvent::CLICK_EVENT);	
		
	closeFileButton = new UIImageButton("Images/remove_icon.png");
	holderBar->addChild(closeFileButton);
	closeFileButton->setPosition(10, 8);
	closeFileButton->addEventListener(this, UIEvent::CLICK_EVENT);
	
	currentFileSelector = new UIComboBox(globalMenu, 350);
	currentFileSelector->addEventListener(this, UIEvent::CHANGE_EVENT);
	holderBar->addChild(currentFileSelector);
	currentFileSelector->setPosition(30, 3);

	addEventListener(this, InputEvent::EVENT_MOUSEDOWN);
			
	vSizer = NULL;
	hSizer = NULL;
	
	firstChildHolder = NULL;
	secondChildHolder = NULL;
	
	displayFilePathInSelector = false;
	
	initialUpdate = true;
	updateFileSelector();
	
	editorToMerge = NULL;	
	
	isActive = false;
}

void EditorHolder::setActive(bool val) {
	isActive = val;
	if(val) {	
		headerBg->color.setColorHexFromString(CoreServices::getInstance()->getConfig()->getStringValue("Polycode", "uiAccentColor"));
		if(activeEditorHolder && activeEditorHolder != this) {
			activeEditorHolder->setActive(false);
		}
		activeEditorHolder = this;
		editorManager->setCurrentEditor(currentEditor);
	} else {
		headerBg->color.setColorHexFromString(CoreServices::getInstance()->getConfig()->getStringValue("Polycode", "uiHeaderBgColor"));
	}
}

void EditorHolder::updateFileSelector() {
	currentFileSelector->removeAllHandlersForListener(this);
	currentFileSelector->clearItems();
	
	std::vector<PolycodeEditor*> editors = editorManager->getOpenEditorsForProject(project);
	
	for(int i=0; i < editors.size(); i++) {
		OSFileEntry entry(editors[i]->getFilePath(), OSFileEntry::TYPE_FILE);
		
		String projName = editors[i]->parentProject->getProjectName();
		String rootFolder = editors[i]->parentProject->getRootFolder();
		String filePath = editors[i]->getFilePath();
		
		String fullEntry = filePath;
		if(filePath.find(rootFolder) != -1) {
			fullEntry = projName + filePath.substr(rootFolder.size(), filePath.size()-1);
		}
		if(editors[i]->hasChanges()) {
			if (displayFilePathInSelector)
				currentFileSelector->addComboItem("* "+fullEntry, (void*)editors[i]);
			else
				currentFileSelector->addComboItem("* "+entry.name, (void*)editors[i]);
		} else {
			if (displayFilePathInSelector)
				currentFileSelector->addComboItem(fullEntry, (void*)editors[i]);
			else
				currentFileSelector->addComboItem(entry.name, (void*)editors[i]);
		}
		
		if(currentEditor == editors[i]) {
			if(!initialUpdate) {
				currentFileSelector->setSelectedIndex(i);
			}
		}
	}
	
	if(firstChildHolder) {
		firstChildHolder->updateFileSelector();
	}
	if(secondChildHolder) {
		secondChildHolder->updateFileSelector();
	}
	currentFileSelector->addEventListener(this, UIEvent::CHANGE_EVENT);
	initialUpdate = false;
}

void EditorHolder::setEditor(PolycodeEditor *newEditor) {

	if(vSizer || hSizer) {
		firstChildHolder->setEditor(newEditor);
		return;
	}

	if(currentEditor) {
		removeChild(currentEditor);
		currentEditor->setEditorHolder(NULL);
	}
	currentEditor = newEditor;
	if(currentEditor) {	
		EditorHolder *currentEditorHolder = currentEditor->getEditorHolder();
		if(currentEditorHolder) {
			currentEditorHolder->setEditor(NULL);
		}
		if(currentEditor) {
			currentEditor->setEditorHolder(this);	
		}
		addChild(currentEditor);
	}
	updateFileSelector();
	Resize(getWidth(), getHeight());
	
	if(isActive) {
		editorManager->setCurrentEditor(currentEditor);	
	}
}

PolycodeEditor *EditorHolder::getEditor() {
	return currentEditor;
}

void EditorHolder::handleEvent(Event *event) {

	if(event->getDispatcher() == this) {
		if(holderBar->visible) {
			setActive(true);
		}
	} else if(event->getDispatcher() == vSplitButton) {
		holderBar->visible = false;
		holderBar->enabled = false;
		
		vSizer = new UIVSizer(getWidth(), getHeight(), getHeight()/2.0, true);
		addChild(vSizer);
		firstChildHolder = new EditorHolder(project, editorManager, this);
		firstChildHolder->addEventListener(this, UIEvent::CLOSE_EVENT);
		vSizer->addTopChild(firstChildHolder);		
		if(isActive) {
			firstChildHolder->setActive(true);
		}		
		secondChildHolder = new EditorHolder(project, editorManager, this);
		secondChildHolder->addEventListener(this, UIEvent::CLOSE_EVENT);
		vSizer->addBottomChild(secondChildHolder);
		
		
		if(currentEditor) {
			removeChild(currentEditor);
			currentEditor->setEditorHolder(NULL);			
			firstChildHolder->setEditor(currentEditor);
			currentEditor = NULL;
		}
		
	} else if(event->getDispatcher() == hSplitButton) {
		holderBar->visible = false;
		holderBar->enabled = false;
		
		hSizer = new UIHSizer(getWidth(), getHeight(), getWidth()/2.0, true);
		addChild(hSizer);
		firstChildHolder = new EditorHolder(project, editorManager, this);
		firstChildHolder->addEventListener(this, UIEvent::CLOSE_EVENT);		
		hSizer->addLeftChild(firstChildHolder);
		secondChildHolder = new EditorHolder(project, editorManager, this);
		secondChildHolder->addEventListener(this, UIEvent::CLOSE_EVENT);		
		hSizer->addRightChild(secondChildHolder);
		if(isActive) {
			firstChildHolder->setActive(true);
		}		
		
		if(currentEditor) {
			removeChild(currentEditor);
			currentEditor->setEditorHolder(NULL);
			firstChildHolder->setEditor(currentEditor);
			currentEditor = NULL;
		}
				
								
	} else if(event->getDispatcher() == currentFileSelector) {
		PolycodeEditor *editor = (PolycodeEditor*) currentFileSelector->getSelectedItem()->data;
		if(currentEditor != editor) {
			setEditor(editor);
		}
	
	} else if(event->getDispatcher() == mergeSplitButton) {
		if(parentHolder) {
			parentHolder->mergeSides(this);
		}
	} else if(event->getDispatcher() == closeFileButton) {
		dispatchEvent(new UIEvent(), UIEvent::CLOSE_EVENT);
	} else if(event->getDispatcher() == firstChildHolder || event->getDispatcher() == secondChildHolder) {
		if(event->getEventCode() == UIEvent::CLOSE_EVENT) {
			dispatchEvent(new UIEvent(), UIEvent::CLOSE_EVENT);		
		}
	}
	
	Resize(getWidth(), getHeight());
	UIElement::handleEvent(event);
}

void EditorHolder::Update() {
	if(editorToMerge) {
		_mergeSides(editorToMerge);
		editorToMerge = NULL;
	}
}

void EditorHolder::mergeSides(EditorHolder *mainHolder) {
	editorToMerge = mainHolder;
}

void EditorHolder::_mergeSides(EditorHolder *mainHolder) {
	holderBar->visible = true;
	holderBar->enabled = true;

	PolycodeEditor *mainHolderEditor = mainHolder->getEditor();
		
	if(firstChildHolder) {
		PolycodeEditor *holderEditor = firstChildHolder->getEditor();
		if(holderEditor) {
			holderEditor->setEditorHolder(NULL);
		}
	}

	if(secondChildHolder) {
		PolycodeEditor *holderEditor = secondChildHolder->getEditor();
		if(holderEditor) {		
			holderEditor->setEditorHolder(NULL);
		}
	}
	
	setActive(true);
	
	if(vSizer) {
		removeChild(vSizer);
		delete vSizer;
	}
	if(hSizer) {
		removeChild(hSizer);
		delete hSizer;
	}	
	delete firstChildHolder;
	delete secondChildHolder;
	
	firstChildHolder = NULL;
	secondChildHolder = NULL;
	vSizer = NULL;
	hSizer = NULL;
	
	setEditor(mainHolderEditor);
}

EditorHolder::~EditorHolder() {
	if(vSizer) {
		removeChild(vSizer);
		delete vSizer;
	}
	if(hSizer) {
		removeChild(hSizer);
		delete hSizer;
	}	
	
	if(firstChildHolder) {
		delete firstChildHolder;
	}
	if(secondChildHolder) {
		delete secondChildHolder;
	}
}
		
void EditorHolder::Resize(Number width, Number height) {

	if(headerBg->visible) {
		headerBg->Resize(width, 30);	
		hSplitButton->setPosition(width - 30, 7);
		vSplitButton->setPosition(width - 55, 7);
		if(parentHolder) {
			mergeSplitButton->visible = true;
			mergeSplitButton->enabled = true;
			mergeSplitButton->setPosition(width - 80, 7);
			currentFileSelector->Resize(width - 125, currentFileSelector->getHeight());
		} else {
			mergeSplitButton->visible = false;
			mergeSplitButton->enabled = false;			
			currentFileSelector->Resize(width - 100, currentFileSelector->getHeight());			
		}
	}
		
	
	if(currentEditor) {
		currentEditor->setPosition(0, 30);
		currentEditor->Resize(width, height-30);
	}
	
	if(vSizer) {
		vSizer->Resize(width, height);
	}
	if(hSizer) {
		hSizer->Resize(width, height);
	}
	
	UIElement::Resize(width, height);
}

PolycodeProjectTab::PolycodeProjectTab(PolycodeProject *project, PolycodeEditorManager *editorManager) : UIElement() {
	this->editorManager = editorManager;

	editorHolder = new EditorHolder(project, editorManager, NULL);
	editorHolder->setActive(true);
	
	mainSizer = new UIHSizer(100,100,200,true);
	addChild(mainSizer);					
	projectBrowser = new PolycodeProjectBrowser(project);
	mainSizer->addLeftChild(projectBrowser);
	mainSizer->addRightChild(editorHolder);

	projectBrowser->treeContainer->getRootNode()->addEventListener(this, UITreeEvent::DRAG_START_EVENT);
}

void PolycodeProjectTab::Resize(Number width, Number height) {
	mainSizer->Resize(width, height);
	UIElement::Resize(width, height);
}

EditorHolder *PolycodeProjectTab::getEditorHolder() {
	return editorHolder;
}

void PolycodeProjectTab::showEditor(PolycodeEditor *editor) {
	if(activeEditorHolder->getEditor()) {
		activeEditorHolder->setEditor(NULL);
	}
	
	activeEditorHolder->setEditor(editor);
	editor->Activate();
	Resize(getWidth(), getHeight());
}

PolycodeProjectBrowser *PolycodeProjectTab::getProjectBrowser() {
	return projectBrowser;
}

PolycodeProjectTab::~PolycodeProjectTab() {

}

PolycodeProjectFrame::PolycodeProjectFrame(PolycodeProject *project, PolycodeEditorManager *editorManager) {
	this->editorManager = editorManager;
	this->project = project;
	lastActiveEditorHolder = NULL;
	activeTab = addNewTab();
}

PolycodeProjectTab *PolycodeProjectFrame::getActiveTab() {
	return activeTab;
}

PolycodeProjectTab *PolycodeProjectFrame::addNewTab() {
	PolycodeProjectTab *newTab = new PolycodeProjectTab(project, editorManager);
	tabs.push_back(newTab);
	addChild(newTab);
	return newTab;
}

PolycodeProject *PolycodeProjectFrame::getProject() {
	return project;
}

void PolycodeProjectFrame::Resize(Number width, Number height) {
	activeTab->Resize(width, height);
}

PolycodeProjectFrame::~PolycodeProjectFrame() {

}


PolycodeFrame::PolycodeFrame(PolycodeEditorManager *editorManager) : UIElement() {

	this->editorManager = editorManager;

	activeProjectFrame = NULL;
	consoleSize = 200;
	
	globalFrame = this;
	processInputEvents = true;
	willHideModal = false;
	showingConsole = true;
	modalChild = NULL;
	
	welcomeEntity = new Entity();
	welcomeEntity->processInputEvents = true;
	addChild(welcomeEntity);
	welcomeImage = new UIImage("Images/welcome.png");
	welcomeEntity->addChild(welcomeImage);
	welcomeEntity->snapToPixels = true;
	
	newProjectButton = new UIButton("Create A New Project!", 220);	
	newProjectButton->setPosition(230,80);
	newProjectButton->addEventListener(this, UIEvent::CLICK_EVENT);
	
	examplesButton = new UIButton("Browse Example Projects!", 220);	
	examplesButton->setPosition(460,80);
	examplesButton->addEventListener(this, UIEvent::CLICK_EVENT);
	
	welcomeEntity->addChild(newProjectButton);
	welcomeEntity->addChild(examplesButton);
	
	consoleSizer = new UIVSizer(100,100,200, false);
	console = new PolycodeConsole();	
	consoleSizer->addBottomChild(console);
	addChild(consoleSizer);
	consoleSizer->setPosition(0.0, 45);
	
	topBarBg = new UIRect(2,2);
	topBarBg->setColorInt(21, 18, 17, 255);
	topBarBg->setAnchorPoint(-1.0, -1.0, 0.0);
	topBarBg->processInputEvents = true;
	topBarBg->addEventListener(this, InputEvent::EVENT_MOUSEMOVE);
	topBarBg->blockMouseInput = true;
	addChild(topBarBg);
	
	logo = new UIImage("Images/barlogo.png");
	addChild(logo);		
	
	
	playButton = new UIImageButton("Images/play_button.png");
	addChild(playButton);
	playButton->setPosition(10,4);

	stopButton = new UIImageButton("Images/stop_button.png");
	addChild(stopButton);
	stopButton->setPosition(10,4);

	currentProjectSelector = new UIComboBox(globalMenu, 300);
	currentProjectSelector->addEventListener(this, UIEvent::CHANGE_EVENT);
	addChild(currentProjectSelector);
	currentProjectSelector->setPosition(60, 10);
	
	resizer = new UIImage("Images/corner_resize.png");	
	addChild(resizer);
	resizer->setColor(0,0,0,0.4);
	
	modalBlocker = new UIRect(10,10);
	modalBlocker->setColor(0,0,0,0.4);
	modalBlocker->setAnchorPoint(-1.0, -1.0, 0.0);
	modalBlocker->enabled = false;	
	modalBlocker->blockMouseInput = true;
	modalBlocker->processInputEvents = true;
	addChild(modalBlocker);
	
	assetBrowser = new AssetBrowser();
	assetBrowser->visible = false;	
	
	newProjectWindow = new NewProjectWindow();
	newProjectWindow->visible = false;
	
	exampleBrowserWindow = new ExampleBrowserWindow();
	exampleBrowserWindow->visible = false;

	settingsWindow = new SettingsWindow();
	settingsWindow->visible = false;
	
	newFileWindow = new NewFileWindow();
	newFileWindow->visible = false;
	
	exportProjectWindow = new ExportProjectWindow();
	exportProjectWindow->visible = false;
	
	textInputPopup = new TextInputPopup();
	textInputPopup->visible = false;
	
	yesNoPopup = new YesNoPopup();
	yesNoPopup->visible = false;
	
	yesNoCancelPopup = new YesNoCancelPopup();
	yesNoCancelPopup->visible = false;
	
	
	aboutWindow = new UIWindow("", 800, 440);
	aboutWindow->closeOnEscape = true;
	UIImage *aboutImage = new UIImage("Images/about.png");
	aboutWindow->addChild(aboutImage);
	aboutImage->setPosition(20, 40);
	aboutWindow->visible = false;
	aboutOKButton = new UIButton("OK", 100);
	aboutWindow->addChild(aboutOKButton);
	aboutOKButton->setPosition(700, 420);
	aboutOKButton->addEventListener(this, UIEvent::CLICK_EVENT);
	
	UILabel *versionLabel = new UILabel("version 0.8.2", 12, "mono");
	aboutWindow->addChild(versionLabel);
	versionLabel->setPosition(20, 430);
	versionLabel->color.a = 1.0;
	
	isDragging  = false;
	dragLabel = new UILabel("NONE", 11, "sans");
	dragLabel->setPosition(0,-15);
	
	dragEntity = new Entity();
	dragEntity->addChild(dragLabel);
	addChild(dragEntity);
	dragEntity->visible = false;	
	
		
	CoreServices::getInstance()->getCore()->getInput()->addEventListener(this, InputEvent::EVENT_MOUSEUP);
	CoreServices::getInstance()->getCore()->getInput()->addEventListener(this, InputEvent::EVENT_MOUSEMOVE);
	CoreServices::getInstance()->getCore()->getInput()->addEventListener(this, InputEvent::EVENT_KEYDOWN);
	
	curveEditor = new CurveEditor();
	addChild(curveEditor);
	curveEditor->setPosition(200,100);
	curveEditor->visible = false;
	curveEditor->enabled = false;
	
		
	globalColorPicker = new UIColorPicker();
	globalColorPicker->setPosition(300,300);
	addChild(globalColorPicker);

	modalRoot = new UIElement();
	addChild(modalRoot);
	
	fileDialogBlocker = new UIRect(100, 100);
	fileDialogBlocker->setAnchorPoint(-1.0, -1.0, 0.0);
	addChild(fileDialogBlocker);
	fileDialogBlocker->setColor(0.0, 0.0, 0.0, 0.5);
	fileDialogBlocker->processInputEvents = true;
	fileDialogBlocker->blockMouseInput = true;
	fileDialogBlocker->visible = false;
	fileDialogBlocker->enabled = false;

	fileBrowserRoot = new UIElement();
	addChild(fileBrowserRoot);

	fileDialog = NULL;
	
	displayFilePathInSelector = false;
}

void PolycodeFrame::showFileBrowser(String baseDir, bool foldersOnly, std::vector<String> extensions, bool allowMultiple) {
	
	if(fileDialog)
		delete fileDialog;

	fileDialog = new UIFileDialog(baseDir, foldersOnly, extensions, allowMultiple);
	fileDialog->addEventListener(this, UIEvent::CANCEL_EVENT);
	fileDialog->addEventListener(this, UIEvent::OK_EVENT);
	fileBrowserRoot->addChild(fileDialog);
	fileDialog->setPosition(100,100);
	
	fileDialogBlocker->visible = true;
	fileDialogBlocker->enabled = true;
}

void PolycodeFrame::showCurveEditor() {
	curveEditor->visible = true;
	curveEditor->enabled = true;
}

void PolycodeFrame::showModal(UIWindow *modalChild) {
	modalBlocker->enabled = true;
	
	focusChild(NULL);
	
	this->modalChild = modalChild;
	modalRoot->addChild(modalChild);
	modalChild->showWindow();
	modalChild->addEventListener(this, UIEvent::CLOSE_EVENT);
	Resize(getWidth(), getHeight());
	
	if(modalChild == yesNoPopup) {
		yesNoPopup->focusChild(yesNoPopup->okButton);
	}
	CoreServices::getInstance()->getCore()->setCursor(Core::CURSOR_ARROW);	
}

void PolycodeFrame::hideModal() {
	if(modalChild) {
		modalRoot->removeChild(modalChild);
		modalChild->removeEventListener(this, UIEvent::CLOSE_EVENT);	
		modalChild->hideWindow(); 
		modalChild = NULL;
	}
	modalBlocker->enabled = false;		
}

void PolycodeFrame::showConsole() {
	if(!showingConsole)
		toggleConsole();
}

void PolycodeFrame::hideConsole() {
	if(showingConsole)
		toggleConsole();
}

void PolycodeFrame::toggleConsole() {
	if(showingConsole) {
		consoleSize = consoleSizer->getMainHeight();
		consoleSizer->setMainHeight(0);
		console->visible = false;
		console->enabled = false;
	} else {
		consoleSizer->setMainHeight(consoleSize);	
		console->visible = true;
		console->enabled = true;		
	}
	showingConsole = !showingConsole;
}

void PolycodeFrame::Update() {
	if(willHideModal) {
		hideModal();
		willHideModal = false;
	}
}

void PolycodeFrame::showAssetBrowser(std::vector<String> extensions) {
	if(!projectManager->getActiveProject()) {
		return;
	}
	assetBrowser->setProject(projectManager->getActiveProject());
	assetBrowser->setExtensions(extensions);
	showModal(assetBrowser);
}

void PolycodeFrame::handleEvent(Event *event) {

	if(event->getDispatcher() == currentProjectSelector) {
		PolycodeProject *project = (PolycodeProject*)currentProjectSelector->getSelectedItem()->data;
		projectManager->setActiveProject(project);
	}
		
	if(event->getDispatcher() == editorManager) {
		updateFileSelector();
	}
	
	if(event->getDispatcher() == topBarBg) {
		CoreServices::getInstance()->getCore()->setCursor(Core::CURSOR_ARROW);	
	}
	
	if(event->getDispatcher() == projectManager) {
		currentProjectSelector->clearItems();
		for(int i=0; i < projectManager->getProjectCount(); i++) {
			PolycodeProject *project = projectManager->getProjectByIndex(i);
			currentProjectSelector->addComboItem(project->getProjectName(), (void*) project);
			if(projectManager->getActiveProject() == project) {
				currentProjectSelector->setSelectedIndex(i, true);
			}
		}
	}
	
	if(event->getDispatcher() == aboutOKButton && event->getEventType() == "UIEvent") {
		hideModal();
	}
	
	if(event->getDispatcher() == fileDialog && event->getEventType() == "UIEvent") {
		fileBrowserRoot->removeChild(fileDialog);
		fileDialogBlocker->visible = false;
		fileDialogBlocker->enabled = false;
	}

	if(event->getDispatcher() == CoreServices::getInstance()->getCore()->getInput()) {
		switch(event->getEventCode()) {
			case InputEvent::EVENT_MOUSEUP:
				if(isDragging) {
				/*
					if(editorHolder->currentEditor) {
						InputEvent *inputEvent = (InputEvent*) event;						
						Number posX = inputEvent->mousePosition.x;
						Number posY = inputEvent->mousePosition.y;			
						editorHolder->currentEditor->handleDroppedFile(draggedFile, posX, posY);
					}
				*/
				}
				isDragging = false;
				dragEntity->visible = false;
			break;
			case InputEvent::EVENT_MOUSEMOVE:			
				if(isDragging) {
					//dragEntity->setPosition(((InputEvent*)event)->mousePosition);
				}
			break;
			// TODO: add in key combos to switch editors in reverse order
			case InputEvent::EVENT_KEYDOWN:
				CoreInput *input = CoreServices::getInstance()->getCore()->getInput();
				
				if (input->getKeyState(KEY_LSUPER) || input->getKeyState(KEY_RSUPER)) {
					InputEvent *inEv = (InputEvent*)event;
					// commenting this out for now until issue with KEY_BACKQUOTE is figured out
					/*if (inEv->getKey() == KEY_BACKQUOTE) {
						showNextEditor();
					}*/
					if (inEv->getKey() == KEY_SLASH) {
						displayFilePathInSelector = (displayFilePathInSelector ? false : true);
						updateFileSelector();
					}
				} else if (input->getKeyState(KEY_LCTRL) || input->getKeyState(KEY_RCTRL)) {
//					InputEvent *inEv = (InputEvent*)event;
//					if (inEv->getKey() == KEY_TAB) {
//						showNextEditor();
//					} else if (inEv->getKey() == KEY_SLASH) {
//						displayFilePathInSelector = (displayFilePathInSelector ? false : true);
//						updateFileSelector();
//					}
				}
			break;
				
		}
	}

/*
	if(event->getDispatcher() == projectBrowser->treeContainer->getRootNode()) {
		switch (event->getEventCode()) {
			case UITreeEvent::DRAG_START_EVENT:
			{
				UITreeEvent *treeEvent = (UITreeEvent*) event;
				BrowserUserData *data = (BrowserUserData*)treeEvent->selection->getUserData();
				draggedFile = data->fileEntry;
				dragLabel->setText(data->fileEntry.name);
				dragEntity->visible = true;
				isDragging = true;
//				printf("START DRAG: %s\n", data->fileEntry.name.c_str());
			}
			break;
		}
	}
*/

	if(event->getDispatcher() == modalChild) {
		if(event->getEventType() == "UIEvent" && event->getEventCode() == UIEvent::CLOSE_EVENT) {
			willHideModal = true;
		}
	} else {
		if(event->getEventType() == "UIEvent" && event->getEventCode() == UIEvent::CLICK_EVENT && event->getDispatcher() == newProjectButton) {

			showModal(newProjectWindow);
			newProjectWindow->ResetForm();
		}	
		
	if(event->getEventType() == "UIEvent" && event->getEventCode() == UIEvent::CLICK_EVENT && event->getDispatcher() == examplesButton) {

			showModal(exampleBrowserWindow);
			newProjectWindow->ResetForm();
		}			
		
	}
}

PolycodeProjectBrowser *PolycodeFrame::getCurrentProjectBrowser() {
	if(activeProjectFrame) {
		return activeProjectFrame->getActiveTab()->getProjectBrowser();
	} else {
		return NULL;
	}
}

void PolycodeFrame::Resize(int x, int y) {	
		
	welcomeEntity->setPosition((x-welcomeImage->getWidth()) / 2,
		(y-welcomeImage->getHeight()) / 2); 
	
	topBarBg->Resize(x, 45);
	logo->setPosition(x-logo->getWidth()-2, 2);
	resizer->setPosition(x-resizer->getWidth()-1, y-resizer->getHeight()-1);	
	consoleSizer->Resize(x,y-45);	
	
	modalBlocker->Resize(x, y);
	fileDialogBlocker->Resize(x, y);
			
	if(this->modalChild) {
		modalChild->setPosition((x-modalChild->getWidth())/2.0f, (y-modalChild->getHeight())/2.0f);
	}
	
	UIElement::Resize(x, y);
}

void PolycodeFrame::removeProjectFrame(PolycodeProject *project) {

}

PolycodeProjectFrame *PolycodeFrame::getActiveProjectFrame() {
	return activeProjectFrame;
}

PolycodeFrame::~PolycodeFrame() {
	
}

UIVSizer *PolycodeFrame::getConsoleSizer() {
	return consoleSizer;
}

PolycodeProjectFrame *PolycodeFrame::createProjectFrame(PolycodeProject *project) {
	PolycodeProjectFrame *newProjectFrame = new PolycodeProjectFrame(project, editorManager);
	projectFrames.push_back(newProjectFrame);	
	switchToProjectFrame(newProjectFrame);
	return newProjectFrame;
}

void PolycodeFrame::switchToProjectFrame(PolycodeProjectFrame *projectFrame) {
	if(projectFrame == activeProjectFrame) {
		return;
	}
	if(activeProjectFrame) {
		consoleSizer->removeTopChild();
		if(editorManager->getCurrentEditor()) {
			activeProjectFrame->lastActiveEditorHolder = editorManager->getCurrentEditor()->getEditorHolder();
		}
	} 
	activeProjectFrame = projectFrame;
	consoleSizer->addTopChild(activeProjectFrame);
	if(activeProjectFrame->lastActiveEditorHolder) {
		activeProjectFrame->lastActiveEditorHolder->setActive(true);
	} else {
		activeProjectFrame->getActiveTab()->getEditorHolder()->setActive(true);
	}
	Resize(getWidth(), getHeight());	
}

PolycodeProjectFrame *PolycodeFrame::getProjectFrame(PolycodeProject *project) {
	for(int i=0; i < projectFrames.size(); i++) {
		if(projectFrames[i]->getProject() == project) {
			return projectFrames[i];
		}
	}
	return NULL;
}

void PolycodeFrame::updateFileSelector() {
	if(activeProjectFrame)  {
		activeProjectFrame->getActiveTab()->getEditorHolder()->updateFileSelector();
	}
}