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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
/**
@module js/document/documentManager
@requires montage/core/core
@requires montage/ui/component
*/
var Montage = require("montage/core/core").Montage,
Component = require("montage/ui/component").Component,
viewUtils = require("js/helper-classes/3D/view-utils").ViewUtils,
drawUtils = require("js/helper-classes/3D/draw-utils").DrawUtils,
vecUtils = require("js/helper-classes/3D/vec-utils").VecUtils;
exports.Layout = Montage.create(Component, {
canvas: { value: null },
ctx: { value: null },
drawFillColor: { value: 'rgba(255,255,255,1)' },
ctxLineWidth: { value: 0.2 },
_layoutView: {
value: "layoutAll"
},
layoutView: {
get: function() {
return this._layoutView;
},
set: function(value) {
if(this._layoutView !== value) {
this._layoutView = value;
this.draw();
}
}
},
domTree: {
value: []
},
elementsToDraw: {
value: []
},
deserializedFromTemplate: {
value: function() {
this.ctx = this.canvas.getContext("2d");
this.ctx.lineWidth = this.ctxLineWidth;
this.ctx.fillStyle = this.drawFillColor;
// this.eventManager.addEventListener("elementAdded", this, false);
this.eventManager.addEventListener("elementDeleted", this, false);
this.eventManager.addEventListener("selectionChange", this, false);
this.eventManager.addEventListener("deleteSelection", this, false);
}
},
handleOpenDocument: {
value: function() {
// Initial elements to draw is the entire node list
this.elementsToDraw = this.application.ninja.documentController.activeDocument._liveNodeList;
// Draw the elements and the 3d info
this.draw();
this.draw3DInfo(false);
}
},
// No need to keep track of the added elements. We now have a live node list of the dom
handleElementAdded: {
value: function(event) {
// this.domTree.push(event.detail);
// this.draw();
// this.draw3DInfo(false);
}
},
handleElementDeleted: {
value: function(event) {
//this.domTree.splice(this.domTree.indexOf(event.detail), 1);
}
},
// Redraw stage only once after all deletion is completed
handleDeleteSelection: {
value: function(event) {
this.draw();
this.draw3DInfo(false);
}
},
handleSelectionChange: {
value: function(event) {
// Make an array copy of the line node list which is not an array like object
this.domTree = Array.prototype.slice.call(this.application.ninja.documentController.activeDocument._liveNodeList, 0);
// Clear the elements to draw
this.elementsToDraw.length = 0;
// Draw the non selected elements
if(!event.detail.isDocument) {
var tmp = event.detail.elements.map(function(element){ return element._element});
this.elementsToDraw = this.domTree.filter(function(value) {
return (tmp.indexOf(value) === -1);
});
} else {
this.elementsToDraw = this.domTree;
}
this.draw(); // Not a reel yet :)
this.draw3DInfo(false);
// Clear the domTree copy
this.domTree.length = 0;
}
},
draw: {
value: function() {
this.clearCanvas();
var els = this.elementsToDraw.length;
for(var i = 0, el; i < els; i++){
this.drawTagOutline(this.elementsToDraw[i]);
}
}
},
draw3DInfo: {
value: function(updatePlanes) {
if(updatePlanes) {
drawUtils.updatePlanes();
}
if(this.stage.appModel.show3dGrid) {
this.application.ninja.stage.stageDeps.snapManager.updateWorkingPlaneFromView();
drawUtils.drawWorkingPlane();
}
drawUtils.draw3DCompass();
}
},
clearCanvas: {
value: function() {
this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
}
},
drawTagOutline: {
value: function (item) {
if(!item) return;
// TODO Bind the layoutview mode to the current document
// var mode = this.application.ninja.currentDocument.layoutMode;
if(this.layoutView === "layoutOff") return;
// Don't draw outlines for shapes.
// TODO Use the element mediator/controller/model to see if its a shape
// if (utilsModule.utils.isElementAShape(item)) return;
// draw the layout
viewUtils.setViewportObj( item );
var bounds3D = viewUtils.getElementViewBounds3D( item );
var tmpMat = viewUtils.getLocalToGlobalMatrix( item );
var zoomFactor = 1;
if (this.stage._viewport.style && this.stage._viewport.style.zoom) {
zoomFactor = Number(this.stage._viewport.style.zoom);
}
var sSL = this.stage._scrollLeft;
var sST = this.stage._scrollTop;
for (var j=0; j<4; j++) {
var localPt = bounds3D[j];
var tmpPt = viewUtils.localToGlobal2(localPt, tmpMat);
if(zoomFactor !== 1) {
tmpPt = vecUtils.vecScale(3, tmpPt, zoomFactor);
tmpPt[0] += sSL*(zoomFactor - 1);
tmpPt[1] += sST*(zoomFactor - 1);
}
bounds3D[j] = tmpPt;
}
if(item.uuid === this.application.ninja.currentSelectedContainer.uuid) {
this.ctx.save();
this.ctx.strokeStyle = "#C61F00";
this.ctx.beginPath();
this.ctx.moveTo( bounds3D[3][0] + 0.5 , bounds3D[3][1] - 0.5 );
this.ctx.lineTo( bounds3D[0][0] - 0.5 , bounds3D[0][1] - 0.5 );
this.ctx.lineTo( bounds3D[1][0] - 0.5 , bounds3D[1][1] + 0.5 );
this.ctx.lineTo( bounds3D[2][0] + 0.5 , bounds3D[2][1] + 0.5 );
this.ctx.lineTo( bounds3D[3][0] + 0.5 , bounds3D[3][1] + 0.5 );
this.ctx.closePath();
this.ctx.stroke();
this.ctx.restore();
} else {
// Draw the Item ouline
this._dashedLine(bounds3D[3][0] - 0.5,bounds3D[3][1]- 0.5,bounds3D[0][0] + 2.5, bounds3D[0][1] - 0.5,[5,5]);
this._dashedLine(bounds3D[0][0] - 0.5, bounds3D[0][1] - 0.5, bounds3D[1][0]- 0.5, bounds3D[1][1] + 0.5, [5,5] );
this._dashedLine(bounds3D[1][0] - 0.5 , bounds3D[1][1] + 0.5, bounds3D[2][0]+ 0.5, bounds3D[2][1] + 0.5, [5,5] );
this._dashedLine(bounds3D[2][0] + 0.5, bounds3D[2][1] + 0.5, bounds3D[3][0] + 0.5, bounds3D[3][1] - 0.5, [5,5] );
}
// Draw the Label is all mode
if(this.layoutView === "layoutAll") {
this.ctx.strokeStyle = 'rgba(0,0,0,1)'; // Black Stroke
this.ctx.strokeRect(bounds3D[0][0]+5.5, bounds3D[0][1]-15.5, 70, 11);
this.ctx.fillStyle = 'rgba(255,255,255,1)' // White Fill
this.ctx.fillRect(bounds3D[0][0]+6, bounds3D[0][1]-15, 69, 10);
this.ctx.fillStyle = 'rgba(0,0,0,1)';
this.ctx.font = "9px Droid Sans";
this.ctx.fillText(this._elementName(item), bounds3D[0][0] + 8, bounds3D[0][1] - 7);
}
}
},
/**
* redrawDocument: Redraws the outline for the entire document
*/
redrawDocument: {
value: function() {
if(this.application.ninja.currentDocument) {
this.clearCanvas();
this.WalkDOM(this.application.ninja.currentDocument.documentRoot);
//drawUtils.updatePlanes();
//if(this.application.ninja.currentDocument.draw3DGrid) drawUtils.drawWorkingPlane();
//drawUtils.draw3DCompass();
}
}
},
drawElementsOutline: {
value: function(elements) {
this.clearCanvas();
this.WalkDOM(this.application.ninja.currentDocument.documentRoot, elements);
}
},
WalkDOM: {
value: function(element, excludeArray) {
if(!element)
{
return;
}
try {
if(element.nodeType == 1 && this.application.ninja.currentDocument.inExclusion(element) === -1 ) {
if(excludeArray) {
var found = false;
for(var j=0, elt; elt = excludeArray[j]; j++) {
if(elt.uuid === element.uuid) {
found = true;
}
}
if(!found) {
this.drawTagOutline(element);
}
} else {
this.drawTagOutline(element);
}
}
if(element.elementModel && element.elementModel.isComponent) {
this.WalkDOM(element.nextSibling, excludeArray);
} else {
this.WalkDOM(element.firstChild, excludeArray);
this.WalkDOM(element.nextSibling, excludeArray);
}
} catch (err) {
console.log(err);
}
}
},
// Dashed line function found at http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas/
// Portions used with permission of Gavin Kistner (phrogz)
_dashedLine: {
value: function(x, y, x2, y2, dashArray) {
this.ctx.lineCap = "square";
this.ctx.beginPath();
if(! dashArray) dashArray=[10,5];
var dashCount = dashArray.length;
var dx = (x2 - x);
var dy = (y2 - y);
var xSlope = (Math.abs(dx) > Math.abs(dy));
var slope = (xSlope) ? dy / dx : dx / dy;
this.ctx.moveTo(x, y);
var distRemaining = Math.sqrt(dx * dx + dy * dy);
var dashIndex = 0;
while(distRemaining >= 0.1){
var dashLength = Math.min(distRemaining, dashArray[dashIndex % dashCount]);
var step = Math.sqrt(dashLength * dashLength / (1 + slope * slope));
if(xSlope){
if(dx < 0) step = -step;
x += step;
y += slope * step;
}else{
if(dy < 0) step = -step;
x += slope * step;
y += step;
}
this.ctx[(dashIndex % 2 == 0) ? 'lineTo' : 'moveTo'](x, y);
distRemaining -= dashLength;
dashIndex++;
}
this.ctx.closePath();
this.ctx.stroke();
}
},
_elementName: {
value: function(item) {
return this.application.ninja.elementMediator.getNJProperty(item, "selection");
}
}
});
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