path: root/js/controllers/elements/element-controller.js

/* <copyright>
Copyright (c) 2012, Motorola Mobility, Inc
All Rights Reserved.
BSD License.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

  - Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.
  - Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
  - Neither the name of Motorola Mobility nor the names of its contributors
    may be used to endorse or promote products derived from this software
    without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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</copyright> */

var Montage = require("montage/core/core").Montage,
    Component = require("montage/ui/component").Component,
    njModule = require("js/lib/NJUtils");

exports.ElementController = Montage.create(Component, {

    addElement: {
        value: function(el, styles) {

            if (el.getAttribute) el.setAttribute('data-ninja-node', 'true');

            // Updated to use new methods in TimelinePanel. JR.
            var insertionIndex = this.application.ninja.timeline.getInsertionIndex();
            if (insertionIndex === false) {
                this.application.ninja.currentDocument.model.domContainer.appendChild(el);
            } else {
                if (insertionIndex === 0) {
                    this.application.ninja.currentDocument.model.domContainer.appendChild(el);
                } else {
                    var element = this.application.ninja.timeline.arrLayers[insertionIndex].layerData.stageElement;
                    element.parentNode.insertBefore(el, element.nextSibling);
                }
            }

            if(styles) {
                this.application.ninja.stylesController.setElementStyles(el, styles);
            }
        }
    },

    // Remove the element from the DOM and clear the GLWord.
    removeElement: {
        value: function(el) {
            if(el.elementModel.shapeModel && el.elementModel.shapeModel.GLWorld) {
                el.elementModel.shapeModel.GLWorld.clearTree();
            }
            el.parentNode.removeChild(el);
        }
    },

    getProperty: {
        value: function(el, prop, fallbackOnComputed, isStageElement) {
            if(el.nodeType !== 3){
                return this.application.ninja.stylesController.getElementStyle(el, prop, fallbackOnComputed, isStageElement);
            }else{
                return null;
            }
        }
    },

    setProperty: {
        value: function(el, p, value) {
            this.application.ninja.stylesController.setElementStyle(el, p, value);
        }
    },

    setProperties: {
        value: function(element, properties) {
            for(var property in properties) {
                this.application.ninja.stylesController.setElementStyle(element, property, properties[property]);
        }
        }
    },

    setAttribute: {
        value: function(el, att, value) {
            el.setAttribute(att, value);
        }
    },

    //--------------------------------------------------------------------------------------------------------
    // Routines to get/set color properties
    // borderSide : "top", "right", "bottom", or "left"
    getColor: {
        value: function(el, isFill, borderSide) {
            var colorObj, color, image;

            // Return cached value if one exists
            if(isFill) {
//                if(el.elementModel.fill) {
//                    return el.elementModel.fill;
//                }
                //TODO: Once logic for color and gradient is established, this needs to be revised
                color = this.getProperty(el, "background-color");
                image = this.getProperty(el, "background-image");
            } else {
                // Try getting border color from specific side first
                if(borderSide) {
                    color = this.getProperty(el, "border-" + borderSide + "-color",true);
                    image = this.getProperty(el, "border-" + borderSide + "-image");
                }

                // If no color was found, look up the shared border color
                if(!color && !image) {
//                    if(el.elementModel.stroke) {
//                        return el.elementModel.stroke;
//                    }

                    color = this.getProperty(el, "border-color");
                    image = this.getProperty(el, "border-image");
                }
            }

            if(color || image) {
                if (image && image !== 'none' && image.indexOf('-webkit') >= 0) {
                    //Gradient
                    colorObj = this.application.ninja.colorController.getColorObjFromCss(image);
                } else {
                    //Solid
                    colorObj = this.application.ninja.colorController.getColorObjFromCss(color);
                }
            }

            // Update cache
            if(isFill) {
                el.elementModel.fill = colorObj;
            } else if(!borderSide) {
                // TODO - Need to update border style and width also
                el.elementModel.stroke = colorObj;
            } else {
                // TODO - Should update specific border sides too
            }

            return colorObj;
        }
    },

    setColor: {
        value: function(el, color, isFill,borderSide) {
            var mode = color.mode;

            if(isFill) {
                if(mode) {
                    switch (mode) {
                        case 'nocolor':
                            this.setProperty(el, "background-image", "none");
                            this.setProperty(el, "background-color", "none");
                            el.elementModel.fill = null;
                            return;
                        case 'gradient':
                            this.setProperty(el, "background-image", color.color.css);
                            this.setProperty(el, "background-color", "none");
                            break;
                        default:
                            this.setProperty(el, "background-image", "none");
                            this.setProperty(el, "background-color", color.color.css);
                    }
                }

                el.elementModel.fill = color;
            } else {
                if(mode) {
                    switch (mode) {
                        case 'nocolor':
                            this.setProperty(el, "border-image", "none");
                            this.setProperty(el, "border-color", "none");
                            el.elementModel.stroke = null;
                            return;
                        case 'gradient':
                            this.setGradientBorder(el, color.color.gradientMode, color.color.css);
                            break;
                        default:
                            this.setProperty(el, "border-image", "none");
                            this.setProperty(el, "border-image-slice", "");
                            this.setProperty(el, "border-color", color.color.css);
                    }
                }
                el.elementModel.stroke = color;
            }
        }
    },

    setGradientBorder: {
        value: function(el, gradientMode, css) {
            if(gradientMode === "radial") {
                this.setProperty(el, "border-image", css.replace("ellipse", "circle"));
            } else {
                this.setProperty(el, "border-image", css);
            }
            this.setProperty(el, "border-color", "none");
            // gradient slice = borderWidth/totalWidth
            var b = parseInt(this.getProperty(el, "border-left-width", true)),
                w = parseInt(this.getProperty(el, "width", true)),
                h = parseInt(this.getProperty(el, "height", true));
            if(h > w) {
                w = h;
            }
            this.setProperty(el, "border-image-slice", Math.floor(b/(w+b+b) * 100) + "%");
        }
    },

    getStroke: {
        value: function(el, stroke) {
            var strokeInfo = {},
                color,
                borderWidth,
                border;
            if(stroke.colorInfo) {
                strokeInfo.colorInfo = {};
                color = this.getColor(el, false);
                if(color && color.color) {
                    strokeInfo.colorInfo.mode = color.mode;
                    strokeInfo.colorInfo.color = color.color;
                } else {
                    strokeInfo.colorInfo.mode = "nocolor";
                    strokeInfo.colorInfo.color = null;
                }
            }
            if(stroke.borderInfo) {
                // TODO - Need to figure out which border side user wants
                strokeInfo.borderInfo = {};
                if(stroke.borderInfo.borderWidth) {
                    borderWidth = this.getProperty(el, "border-width");
                    if(borderWidth) {
                        border = njModule.NJUtils.getValueAndUnits(borderWidth);
                        strokeInfo.borderInfo.borderWidth = border[0];
                        strokeInfo.borderInfo.borderUnits = border[1];
                    }
                }
                if(stroke.borderInfo.borderStyle) {
                    strokeInfo.borderInfo.borderStyle = this.getProperty(el, "border-style");
                }
            }
            return strokeInfo;
        }
    },

    setStroke: {
        value: function(el, stroke) {
            if(stroke.borderInfo) {
                if(stroke.borderInfo.borderWidth) {
                    this.application.ninja.stylesController.setElementStyle(el, "border-width", stroke.borderInfo.borderWidth + stroke.borderInfo.borderUnits);
                }
                if(stroke.borderInfo.borderStyle) {
                    this.application.ninja.stylesController.setElementStyle(el, "border-style", stroke.borderInfo.borderStyle);
                }
            }
            if(stroke.colorInfo) {
                this.setColor(el, stroke.colorInfo, false);
            }
        }
    },

    getFill: {
        value: function(el, fill) {
            var fillInfo = {},
                color;
            if(fill.colorInfo) {
                fillInfo.colorInfo = {};
                color = this.getColor(el, true);
                if(color && color.color) {
                    fillInfo.colorInfo.mode = color.mode;
                    fillInfo.colorInfo.color = color.color;
                } else {
                    fillInfo.colorInfo.mode = "nocolor";
                    fillInfo.colorInfo.color = null;
                }
            }
            return fillInfo;
        }
    },

    setFill: {
        value: function(el, fill) {
            if(fill.colorInfo) {
                this.setColor(el, fill.colorInfo, true);
            }
        }
    },
    //--------------------------------------------------------------------------------------------------------
    // Routines to get/set 3D properties
    get3DProperty: {
        value: function(el, prop) {
            if(el.elementModel.props3D) {
                return el.elementModel.props3D[prop];
            }
        }
    },

    getMatrix: {
        value: function(el) {
            if(el.elementModel.props3D && el.elementModel.props3D.matrix3d) {
                return el.elementModel.props3D.matrix3d.slice(0);
            } else {
                var mat;

                if (el) {
                    mat = this.application.ninja.stylesController.getMatrixFromElement(el, false);
                    if (!mat) {
                        mat = Matrix.I(4);
                    }
                }

                el.elementModel.props3D.matrix3d = mat;
                return mat;
            }
        }
    },

    getPerspectiveDist: {
        value: function(el) {
            if(el.elementModel.props3D && el.elementModel.props3D.perspectiveDist) {
                return el.elementModel.props3D.perspectiveDist;
            } else {
                var dist = this.application.ninja.stylesController.getPerspectiveDistFromElement(el, false);
                el.elementModel.props3D.perspectiveDist = dist;
                return dist;
            }
        }
    },

    // TODO - perspective distance needs to be passed in as "dist" and matrix3d needs to be passed in as "mat"
    set3DProperties: {
        value: function(el, props, update3DModel) {
            var dist = props["dist"],
                mat = props["mat"];

            this.application.ninja.stylesController.setElementStyle(el, "-webkit-transform", "matrix3d(" + MathUtils.scientificToDecimal(mat, 5) + ")");

            this.application.ninja.stylesController.setElementStyle(el, "-webkit-transform-style", "preserve-3d");

            // TODO - We don't support perspective on individual elements yet
            // this.application.ninja.stylesController.setElementStyle(el, "-webkit-perspective", dist);

            el.elementModel.props3D.matrix3d = mat;
            el.elementModel.props3D.perspectiveDist = dist;

            if(update3DModel) {
                this._update3DProperties(el, mat, dist);
            }
        }
    },

    _update3DProperties: {
        value: function(elt, mat, dist) {
            var elt3DInfo = MathUtils.decomposeMatrix2(mat);
            if(elt3DInfo)
            {
                elt.elementModel.props3D.xAngle = elt3DInfo.rotation[0] * MathUtils.RAD_TO_DEG;
                elt.elementModel.props3D.yAngle = elt3DInfo.rotation[1] * MathUtils.RAD_TO_DEG;
                elt.elementModel.props3D.zAngle = elt3DInfo.rotation[2] * MathUtils.RAD_TO_DEG;

                elt.elementModel.props3D.x3D = ~~(elt3DInfo.translation[0]);
                elt.elementModel.props3D.y3D = ~~(elt3DInfo.translation[1]);
                elt.elementModel.props3D.z3D = ~~(elt3DInfo.translation[2]);
            }
        }
    }

});