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original.d3-fabric.js
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original.d3-fabric.js
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/*
* Vincent Simonetti 2014
*/
/*global define, console, window, d3, Cubic, TweenLite, EaseLookup*/
/*jslint nomen: true, plusplus: true */
define(function () {
'use strict';
var d3fabricAPI = { version: "1.0.0" };
// d3-fabric setup function
return function (d3, fabric, gsap) {
if (!d3 || !fabric) {
return false;
}
function parseVersion(ver) {
var res = {
major: 0,
minor: 0,
build: 0,
revision: 0
},
results;
if (ver) {
results = ver.split(".");
res.major = results.length > 0 ? parseInt(results[0], 10) : 0;
res.minor = results.length > 1 ? parseInt(results[1], 10) : 0;
res.build = results.length > 2 ? parseInt(results[2], 10) : 0;
res.revision = results.length > 3 ? parseInt(results[3], 10) : 0;
}
res.atLeast = function (major, minor, build, revision) {
if (!major || res.major < major) {
return false;
}
if (minor && res.minor < minor) {
return false;
}
if (build && res.build < build) {
return false;
}
if (revision && res.revision < revision) {
return false;
}
return true;
};
return res;
}
if (!parseVersion(d3.version).atLeast(3, 4)) {
console.error("Unsupported d3.js version. Need at least 3.4.0 or higher");
return false;
}
if (!parseVersion(fabric.version).atLeast(1, 4, 2)) {
console.error("Unsupported FabricJS version. Need at least 1.4.2 or higher");
return false;
}
if (d3.fabric) {
console.error("d3-Fabric is already setup");
return false;
}
//add fabric to d3
d3.fabric = d3fabricAPI;
//vars
var d3_selection_append = d3.selection.prototype.append,
d3_selection_insert = d3.selection.prototype.insert,
d3_transition = d3.transition,
d3_select = d3.select,
d3_selectAll = d3.selectAll,
d3_fabric_selection_proto = {},
d3_fabric_selectionEnter_proto = {},
d3_fabric_transition_proto = {},
d3_fabric_transitionId = 0,
d3_fabric_transitionInheritId,
d3_fabric_transitionInherit,
d3_fabric_subclass,
d3_fabric_subclass_proto_name = "__proto__",
d3_fabric_proto,
d3_fabric_use_GSAP,
d3_fabric_transition_cleanup,
d3_fabric_transition_process,
d3_fabric_type_comparison,
d3_fabric_transitionNode,
d3_fabric_transition_tween,
d3_fabric_transition_tween_direct,
fabric_object_private_set,
fabric_group_has_widthHeightOnlyArg,
d3_fabric_util_proto = {},
d3_fabric_util_matrix_proto = {},
d3_fabric_util_render_test = null;
//prototype functions (d3_fabric_subclass based off one from d3)
d3_fabric_subclass = Object.setPrototypeOf ? function (object, prototype) {
Object.setPrototypeOf(object, prototype);
} : {}[d3_fabric_subclass_proto_name] ? function (object, prototype) {
object[d3_fabric_subclass_proto_name] = prototype;
} : function (object, prototype) {
// Hope to god it never gets here... (shakes fist at Windows RT)
var d3_fabric_subclass_property;
/*jslint forin: true */
for (d3_fabric_subclass_property in prototype) { object[d3_fabric_subclass_property] = prototype[d3_fabric_subclass_property]; }
/*jslint forin: false */
};
d3_fabric_proto = function (object) {
// tests on Trident, Gecko, and WebKit have shown that this is the fastest method (http://jsperf.com/getprototypeof-vs-proto/2)
return object.constructor.prototype;
};
function d3_fabric_selection(groups) {
d3_fabric_subclass(groups, d3_fabric_selection_proto);
return groups;
}
function d3_fabric_selectionEnter(groups) {
d3_fabric_subclass(groups, d3_fabric_selectionEnter_proto);
return groups;
}
function d3_default_selection(groups) {
d3_fabric_subclass(groups, d3.selection.prototype);
return groups;
}
function d3_fabric_transition(groups, id) {
d3_fabric_subclass(groups, d3_fabric_transition_proto);
groups.fabricAniId = id;
return groups;
}
//GSAP plugin
d3_fabric_use_GSAP = gsap && parseVersion(gsap.version).atLeast(1, 11);
d3_fabric_transition_cleanup = function (lock, id) {
lock.count = lock.count - 1;
if (lock.count) {
delete lock[id];
} else {
delete this.__transition__; //ignore jslint
}
};
if (d3_fabric_use_GSAP) {
/*!
* VERSION: 1.0.0
* DATE: 2014-02-21
* UPDATES AND DOCS AT: http://www.greensock.com
*
* @license Copyright (c) 2008-2014, GreenSock. All rights reserved.
* This work is subject to the terms at http://www.greensock.com/terms_of_use.html or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Vincent Simonetti, [email protected]
**/
window._gsQueue = window._gsQueue || [];
window._gsQueue.push(function () {
var _drawCalls = [],
_ticker,
_listening,
_onTick = function () {
if (_drawCalls.length) {
_drawCalls.forEach(function (draw) {
draw.render.apply(draw.scope, draw.params);
draw.render._addedGSAPDraw = false;
});
_drawCalls.length = 0;
} else {
_ticker.removeEventListener("tick", _onTick);
_listening = false;
}
},
_emptyArray = [];
window._gsDefine.plugin({
propName: "d3fabric",
API: 2,
version: "1.0.0",
init: function (target, value, tween) {
this._target = target;
this._fbTransitionId = value.transitionId;
this._fbTransistionLock = target.__transition__;
this._fbTransistionInterrupted = this._fbTransistionLock && this._fbTransistionLock.active > this._fbTransitionId;
this._fbGSAPtween = tween;
this._fbTween = !this._fbTransistionInterrupted && value.tween.call(target, target.__data__, value.tweenIndex);
if (!this._fbTransistionInterrupted && this._fbTransistionLock && this._fbTransistionLock.active < this._fbTransitionId) {
this._fbTransistionLock.active = this._fbTransitionId;
}
this._fbCanvasRender = value.canvasRender;
this._fbCanvasRenderParams = value.canvasRenderParams;
this._fbCanvasRenderScope = value.canvasRenderScope;
if (!_ticker && this._fbCanvasRender) {
_ticker = tween.constructor.ticker;
}
return true;
},
set: function (ratio) {
if (this._fbTransistionInterrupted || (this._fbTransistionLock && this._fbTransistionLock.active !== this._fbTransitionId)) {
if (!this._fbTransistionInterrupted) { this._fbTransistionInterrupted = this._fbTransistionLock && this._fbTransistionLock.active !== this._fbTransitionId; }
if (ratio < 1) {
// Fast-foward to the end of the tween. This will cause this function to be called again, so we only want to run it if the ratio is less then 1 (the first time this gets called)
if (this._fbGSAPtween.eventCallback("onComplete") !== d3_fabric_transition_cleanup && this._fbTransistionLock) { // to save memory allocation, only change the event callback to the cleanup callback if it isn't already set
this._fbGSAPtween.eventCallback("onComplete", d3_fabric_transition_cleanup, [this._fbTransistionLock, this._fbTransitionId], this._target);
}
this._fbGSAPtween.seek(this._fbGSAPtween.duration(), false);
}
} else {
this._super.setRatio.call(this, ratio);
if (this._fbTween) {
this._fbTween.call(this._target, ratio);
if (this._fbCanvasRender && !this._fbCanvasRender._addedGSAPDraw) {
_drawCalls.push({
scope: this._fbCanvasRenderScope || null,
params: this._fbCanvasRenderParams || _emptyArray,
render: this._fbCanvasRender
});
this._fbCanvasRender._addedGSAPDraw = true;
if (!_listening) {
_ticker.addEventListener("tick", _onTick);
_listening = true;
}
}
}
}
}
});
});
if (window._gsDefine) { window._gsQueue.pop()(); }
}
//fabric objects
fabric_object_private_set = [];
fabric_group_has_widthHeightOnlyArg = fabric.Group.prototype._calcBounds.length > 0;
(function () {
function d3_fabric_private_set(orgSet, key, value) {
var org = this.get(key),
ret = orgSet.call(this, key, value),
fg,
fgWidth,
fgHeight,
update = null,
bounds,
aX = [],
aY = [];
if (this.group && (key === "width" || key === "height") && org !== value) {
fg = this.group;
if (fg instanceof fabric.PathGroup) {
fg.setCoords();
} else if (fabric_group_has_widthHeightOnlyArg) {
fg._calcBounds(true);
fg.setCoords();
} else {
fgWidth = fg.get("width");
fgHeight = fg.get("height");
fg.forEachObject(function (o) {
// from _calcBounds in fabric.Group
if (o === this) { o.setCoords(); } //All attr/property functions call this already, but it probably will be called after the set function
Object.keys(o.oCoords).forEach(function (prop) {
aX.push(o.oCoords[prop].x);
aY.push(o.oCoords[prop].y);
});
}, this);
bounds = fg._getBounds(aX, aY); // XXX PRIVATE FUNCTION XXX, might be a static function
if (bounds.width !== fgWidth) {
update = { width: bounds.width };
}
if (bounds.height !== fgHeight) {
if (!update) { update = {}; }
update.height = bounds.height;
}
if (update) {
fg.set(update);
fg.setCoords();
}
}
}
return ret;
}
if (!fabric_object_private_set.length) {
Object.keys(fabric).forEach(function (e) {
var type = fabric[e],
p_set,
set;
if (type.prototype instanceof fabric.Object || (type.prototype && type.prototype.constructor === fabric.Object)) { // "instanceof is probably not the right way" - Peter
p_set = type.prototype._set;
if (p_set) {
set = type.prototype._set = function (key, value) { return d3_fabric_private_set.call(this, p_set, key, value); };
fabric_object_private_set.push({ typeName: e, type: type, set: set });
}
}
});
}
}());
//function overrides
function addCanvas(func, args) {
var name = args.length ? args[0] : null,
fabricName,
canvasGen,
sel,
can;
function FabricCanvas(c) {
return new fabric.Canvas(c);
}
function FabricStaticCanvas(c) {
return new fabric.StaticCanvas(c);
}
if (typeof name !== "function" && name.indexOf("fabric:") === 0) {
fabricName = name.slice(7);
if (fabricName === "canvas" || fabricName === "staticcanvas") {
canvasGen = fabricName === "canvas" ? FabricCanvas : FabricStaticCanvas;
if (!args.length) { args = new Array(1); }
args[0] = function () {
can = this.ownerDocument.createElement("canvas");
function GSAPRender() {
if (can._fabricCanvas.renderRunning) {
if (!can._fabricCanvas.render._addedGSAPDraw && can._fabricCanvas.continuousRender) {
fabric.util.requestAnimFrame(can._fabricCanvas.render, can);
}
can._fabricCanvas.canvas.renderAll();
}
}
function NormalRender() {
var t = Date.now();
if (t > can._fabricCanvas.time) {
d3_fabric_transition_process.call(can._fabricCanvas, can._fabricCanvas.transitionItems, t - can._fabricCanvas.time);
can._fabricCanvas.time = t;
}
if (can._fabricCanvas.renderRunning) {
fabric.util.requestAnimFrame(can._fabricCanvas.render, can);
can._fabricCanvas.canvas.renderAll();
}
}
can._fabricCanvas = {
transitionItems: [],
canvas: null,
renderRunning: false,
continuousRender: false,
time: Date.now(),
render: d3_fabric_use_GSAP ? GSAPRender : NormalRender
};
return can;
};
sel = func.apply(this, args);
/* Bit of hackery to make sure everything is setup correctly:
* - Fabric canvas creation must be donw after being appended to the DOM structure since Fabric modifies the DOM structure based on what type of canvas is used
* - A circular reference is setup so that during transitions, the elements can be accessed
* - The group's parent node is changed to be the "actual" parent node
*/
can = sel.node();
can._fabricCanvas.canvas = canvasGen(can);
can._fabricCanvas.canvas._fabricCanvasDomRef = can;
sel[0].parentNode = this.node();
return d3_fabric_selection(sel);
}
}
return func.apply(this, args);
}
d3.selection.prototype.append = function () {
return addCanvas.call(this, d3_selection_append, arguments);
};
d3.selection.prototype.insert = function () {
return addCanvas.call(this, d3_selection_insert, arguments);
};
d3.select = function (node) {
var sel = d3_select.call(this, node);
node = sel.empty() ? null : sel.node();
if (node !== null && node._fabricCanvas !== undefined) {
return d3_fabric_selection(sel);
}
return sel;
};
d3.selectAll = function (nodes) {
var sel = d3_selectAll.call(this, nodes),
allFabric = true;
sel.each(function () {
if (allFabric && this._fabricCanvas === undefined) {
allFabric = false;
}
});
if (allFabric) {
return d3_fabric_selection(sel);
}
return sel;
};
d3.transition = function (selection) {
return arguments.length && (d3_fabric_selection_proto.isPrototypeOf(selection) || d3_fabric_transition_proto.isPrototypeOf(selection)) ?
d3_fabric_transitionInheritId ? selection.transition() : selection :
d3_transition.apply(this, arguments);
};
//fabric canvas
d3.fabric.selection = d3_fabric_selection_proto;
//-attr helper functions
function d3_fabric_selection_attr_get(name, nameNS) {
var getterName = "get" + fabric.util.string.capitalize(name, true),
ele = this._fabricCanvas !== undefined ? this._fabricCanvas.canvas : this,
proto = d3_fabric_proto(ele),
isGradient = name === "gradient",
isFilters = !isGradient && ele instanceof fabric.Image && name === "filters",
isImage = !isFilters && ele instanceof fabric.Image && name === "src",
isPathSet = !isImage && ele instanceof fabric.Path && name === "d",
isPolySet = !isPathSet && (ele instanceof fabric.Polygon || ele instanceof fabric.Polyline) && name === "points",
i;
if (isGradient || isFilters || isImage || isPathSet || isPolySet || proto[getterName]) {
if (isGradient) {
if (!nameNS) {
//d3.ns.qualify won't return a namespace if it doesn't know what it is
i = name.indexOf(':');
if (i >= 0) {
nameNS = name.substring(0, i);
name = name.substring(i + 1);
}
}
return nameNS ? ele.get(nameNS) : ele.getFill();
}
if (isFilters) {
return ele.filters;
}
if (isImage) {
return ele.getSrc();
}
if (isPathSet) {
return ele.d3fabricOrgPath;
}
if (isPolySet) {
return ele.d3fabricOrgPoints;
}
return proto[getterName].call(ele);
}
if (proto.getAttribute) {
if (nameNS) {
return proto.getAttributeNS.call(ele, nameNS, name);
}
return proto.getAttribute.call(ele, name);
}
return null;
}
function d3_fabric_selection_attr_set_need_coord(name) {
// possibly convert to array? currently orginized from what is assumed to be most common to least common
return name === "left" ||
name === "top" ||
name === "width" ||
name === "height" ||
name === "originX" ||
name === "originY" ||
name === "scaleX" ||
name === "scaleY" ||
name === "strokeWidth" ||
name === "padding";
}
function d3_fabric_is_fabric_object(obj) {
return obj instanceof fabric.Object ||
obj instanceof fabric.StaticCanvas ||
obj instanceof fabric.Point;
}
function d3_fabric_selection_attr_set(ele, name, nameNS, value) {
if (!d3_fabric_is_fabric_object(ele)) {
return;
}
var setterName = "set" + fabric.util.string.capitalize(name, true),
proto = d3_fabric_proto(ele),
isGradient = name === "gradient",
isFilters = !isGradient && ele instanceof fabric.Image && name === "filters",
isImage = !isFilters && ele instanceof fabric.Image && name === "src",
isPathSet = !isImage && ele instanceof fabric.Path && name === "d",
isPolySet = !isPathSet && (ele instanceof fabric.Polygon || ele instanceof fabric.Polyline) && name === "points",
dim,
polyValue,
match,
point = null,
re,
node;
if (isFilters || isImage || isPathSet || isPolySet || proto[setterName]) {
if (isImage) {
// Only update the image if something has changed, since it won't be an instant replacement
if (ele.getSrc() !== value) {
if (!value) { value = fabric.util.createImage(); }
ele.fire("image:load:start", { img: ele });
if (typeof value === "string" && value.indexOf("#") === 0) {
ele._initElement(value.substr(1));
ele.fire("image:load:finished", { img: ele });
} else {
if (Array.isArray(value) && value.domNode) {
// Save contents of Canvas (won't update if canvas is updated...)
node = value.node();
if (node.toDataURL) {
value = node.toDataURL("image/png");
}
}
fabric.util.loadImage(value, function (img) {
if (!img || d3_fabric_type_comparison(img, value)) {
this.fire("image:load:finished", { img: null, url: value });
return;
}
ele._initElement(img);
this.fire("image:load:finished", { img: this, url: value });
}, ele);
}
}
} else if (isPathSet) {
//XXX support loading SVG via URL?
// Set the path
ele.initialize(value, {
left: ele.getLeft() || 0,
top: ele.getTop() || 0,
width: ele.getWidth() || 0,
height: ele.getHeight() || 0,
pathOffset: { x: 0, y: 0 },
d3fabricOrgPath: value
});
// Resize width and height
dim = ele._parseDimensions();
delete dim.left;
delete dim.top;
ele.set(dim);
ele.setCoords();
} else if (isPolySet) {
// Process the points
polyValue = value;
if (typeof polyValue === "string") {
polyValue = [];
re = /([\-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[\-+]?\d+)?)/ig;
match = re.exec(value);
while (match) {
if (point) {
point.y = match[0];
polyValue.push(point);
point = null;
} else {
point = { x: match[0] };
}
polyValue.push(match[0]);
match = re.exec(value);
}
if (point) {
point.y = "0";
polyValue.push(point);
}
polyValue.forEach(function (p) {
p.x = parseFloat(p.x);
if (isNaN(p.x)) { p.x = 0; }
p.y = parseFloat(p.y);
if (isNaN(p.y)) { p.y = 0; }
});
}
// Set the points
ele.initialize(polyValue, {
d3fabricOrgPoints: value
}, true);
ele.setCoords();
} else {
if (isGradient) {
// Gradient specific set functions
if (!nameNS) {
//d3.ns.qualify won't return a namespace if it doesn't know what it is
match = name.indexOf(':');
if (match >= 0) {
nameNS = name.substring(0, match);
name = name.substring(match + 1);
}
}
if (value instanceof fabric.Gradient) {
ele.set(nameNS || "fill", value);
} else {
ele.setGradient(nameNS || "fill", value);
}
} else if (isFilters) {
// Apply filters
ele.fire("image:filters:applying", { img: ele });
ele.filters = value || [];
ele.applyFilters(function () {
ele.fire("image:filters:applied", { img: ele });
});
} else {
// Normal set functions
proto[setterName].call(ele, value);
if (ele.setCoords && d3_fabric_selection_attr_set_need_coord(name)) { ele.setCoords(); }
}
}
} else if (proto.setAttribute) {
if (nameNS) {
return proto.setAttributeNS.call(ele, nameNS, name, value);
}
return proto.setAttribute.call(ele, name, value);
}
}
function d3_fabric_selection_attr(name, value) {
name = d3.ns.qualify(name);
function attrFunction() {
var v = value.apply(this, arguments);
if (v !== null) {
d3_fabric_selection_attr_set(this._fabricCanvas !== undefined ? this._fabricCanvas.canvas : this, name.local || name, name.local ? name.space : null, v);
}
}
function attrConstant() {
d3_fabric_selection_attr_set(this._fabricCanvas !== undefined ? this._fabricCanvas.canvas : this, name.local || name, name.local ? name.space : null, value);
}
return typeof value === "function" ? attrFunction : attrConstant;
}
//-attr
d3_fabric_selection_proto.attr = function (name, value) {
//XXX should this convert "class" to "fabricClassList" if a fabric object?
if (arguments.length < 2) {
if (typeof name === "string") {
if (name === "class") { return this.property(name); }
name = d3.ns.qualify(name);
return d3_fabric_selection_attr_get(name.local || name, name.local ? name.space : null);
}
Object.keys(name).forEach(function (value) {
if (value === "class") {
this.classed(name[value], true);
} else {
this.each(d3_fabric_selection_attr(value, name[value]));
}
}, this);
return this;
}
if (name === "class") { return this.classed(value, true); }
return this.each(d3_fabric_selection_attr(name, value));
};
//-classed
function d3_fabric_collapse(s) {
return s.trim().replace(/\s+/g, " ");
}
function d3_fabric_selection_classedRe(name) {
return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
}
function d3_fabric_array_add(arr, value) {
if (arr.indexOf(value) === -1) {
arr.push(value);
}
return arr;
}
function d3_fabric_selection_classedName(name) {
var re = d3_fabric_selection_classedRe(name);
function nodeClass(node, value) {
var c = node.classList;
if (c) { return value ? c.add(name) : c.remove(name); }
c = node.getAttribute("class") || "";
if (value) {
re.lastIndex = 0;
if (!re.test(c)) { node.setAttribute("class", d3_fabric_collapse(c + " " + name)); }
} else {
node.setAttribute("class", d3_fabric_collapse(c.replace(re, " ")));
}
}
return function (node, value) {
if (d3_fabric_is_fabric_object(node)) {
if (node.fabricClassList === undefined || node.fabricClassList === null) { node.fabricClassList = []; }
return value ? d3_fabric_array_add(node.fabricClassList, name) : fabric.util.removeFromArray(node.fabricClassList, name); //return is never used, it just prevents falling through to nodeClass
}
nodeClass(node, value);
if (node._fabricCanvas && node._fabricCanvas.canvas && node._fabricCanvas.canvas.getSelectionElement) {
// if an interactive canvas, then the selection element and parent should be modified too
var selectionElement = node._fabricCanvas.canvas.getSelectionElement();
nodeClass(selectionElement, value);
nodeClass(selectionElement.parentNode, value);
}
};
}
function d3_fabric_selection_classes(name) {
return name.trim().split(/^|\s+/);
}
function d3_fabric_selection_classed(name, value) {
name = d3_fabric_selection_classes(name).map(d3_fabric_selection_classedName);
var n = name.length;
function classedConstant() {
var i = -1;
while (++i < n) { name[i](this, value); }
}
function classedFunction() {
var i = -1, x = value.apply(this, arguments);
while (++i < n) { name[i](this, x); }
}
return typeof value === "function" ? classedFunction : classedConstant;
}
d3_fabric_selection_proto.classed = function (name, value) {
if (arguments.length < 2) {
if (typeof name === "string") {
name = d3_fabric_selection_classes(name);
var node = this.node(),
n = name.length,
i = -1;
if (d3_fabric_is_fabric_object(node)) {
value = node.fabricClassList;
if (value) {
while (++i < n) { if (!value.contains(name[i])) { return false; } }
} else {
return false;
}
} else {
value = node.classList;
if (value) {
while (++i < n) { if (!value.contains(name[i])) { return false; } }
} else {
value = node.getAttribute("class");
while (++i < n) { if (!d3_fabric_selection_classedRe(name[i]).test(value)) { return false; } }
}
}
return true;
}
Object.keys(name).forEach(function (value) {
this.each(d3_fabric_selection_classed(value, name[value]));
}, this);
return this;
}
return this.each(d3_fabric_selection_classed(name, value));
};
//-style
function d3_fabric_selection_style_special(name) {
return {
specialCase: ["left", "top"].indexOf(name) >= 0,
fabricCanvasSpecialCase: ["width", "height"].indexOf(name) >= 0
};
}
function d3_fabric_selection_style_nodes(srcNode, specialCase) {
var list = [srcNode],
selectionElement;
if (srcNode._fabricCanvas !== undefined && srcNode._fabricCanvas.canvas.getSelectionElement) {
selectionElement = srcNode._fabricCanvas.canvas.getSelectionElement();
if (specialCase) {
// modify the canvas container
list[0] = selectionElement.parentNode;
} else {
// modify "all the nodes"
list.push(selectionElement);
if (selectionElement.parentNode) { list.push(selectionElement.parentNode); }
}
}
return list;
}
function d3_fabric_selection_style(groups, name, value, priority) {
// While nearly all fabric objects can just use the attrFunc, if left and/or top are changed on a interactive
// canvas element, the div container for the selection canvas should be the real element changed.
var procInfo = d3_fabric_selection_style_special(name),
attrFunc = d3_fabric_selection_attr(name, value);
return function (d, i, j) {
if ((procInfo.fabricCanvasSpecialCase && this._fabricCanvas !== undefined) || d3_fabric_is_fabric_object(this)) {
attrFunc.call(this, d, i, j);
} else {
var styleGroups = d3_default_selection([]),
subgroup = d3_fabric_selection_style_nodes(this, procInfo.specialCase);
if (subgroup.length > 0) {
subgroup.parentNode = subgroup.length === 1 && subgroup[0] && this !== subgroup[0] ? subgroup[0].parentNode : groups[j].parentNode;
styleGroups.push(subgroup);
styleGroups.style(name, value, priority);
}
}
};
}
d3_fabric_selection_proto.style = function (name, value, priority) {
var n = arguments.length;
if (n < 3) {
if (typeof name !== "string") {
Object.keys(name).forEach(function (priority) {
this.each(d3_fabric_selection_style(this, priority, name[priority], ""));
}, this);
return this;
}
if (n < 2) { return this.attr(name); }
priority = "";
}
return this.each(d3_fabric_selection_style(this, name, value, priority));
};
//-property
d3_fabric_selection_proto.property = function (name, value) {
if (arguments.length < 2) {
var n,
updateCoords = false;
if (typeof name === "string") {
n = this.node();
if (name === "class" && (n._fabricCanvas !== undefined || d3_fabric_is_fabric_object(n))) {
n = n._fabricCanvas !== undefined ? n._fabricCanvas.canvas : n;
return n.fabricClassList ? n.fabricClassList.join(" ") : "";
}
return n._fabricCanvas !== undefined ? n._fabricCanvas.canvas[name] : n[name];
}
Object.keys(name).forEach(function (value) {
if (value === "class") {
this.classed(name[value], true);
} else {
this.each(function () {
if (this._fabricCanvas !== undefined) {
this._fabricCanvas.canvas[value] = name[value];
} else {
this[value] = name[value];
updateCoords = updateCoords || d3_fabric_selection_attr_set_need_coord(name);
}
});
}
}, this);
if (updateCoords) {
this.each(function () {
if (this.setCoords) { this.setCoords(); }
});
}
return this;
}
if (name === "class") { return this.classed(value, true); }
return this.each(function () {
if (this._fabricCanvas !== undefined) {
this._fabricCanvas.canvas[name] = value;
} else {
this[name] = value;
if (this.setCoords && d3_fabric_selection_attr_set_need_coord(name)) { this.setCoords(); }
}
});
};
//-text
d3_fabric_selection_proto.text = function (value) {
var textSet,
n;
if (arguments.length) {
textSet = typeof value === "function" ? function () {
var v = value.apply(this, arguments);
return v === null ? "" : v;
} : value === null ? function () {
return "";
} : function () {
return value;
};
return this.each(function () {
if (this instanceof fabric.Text) {
this.setText(textSet.apply(this, arguments));
this.setCoords();
} else {
this.fabricText = textSet.apply(this, arguments);
}
});
}
n = this.node();
return n instanceof fabric.Text ? n.getText() : n.fabricText !== undefined ? n.fabricText : null;
};
//-append
function d3_fabric_selection_append(name) {
return typeof name === "function" ? name : function () {
var obj = null,
ln = name.toLowerCase(),
takesString = ln === "text" || ln === "itext",
isPoly = ln === "polygon" || ln === "polyline",
takesPath = ln === "path" || isPoly,
i,
s;
if (ln === "image") {
return new fabric.Image(fabric.util.createImage());
}
for (i = 0, s = fabric_object_private_set.length; i < s; i++) {
if (fabric_object_private_set[i].typeName.toLowerCase() === ln) {
if (takesString) {
obj = new fabric_object_private_set[i].type("");
} else if (takesPath) {
obj = new fabric_object_private_set[i].type([], null, isPoly);
} else {
obj = new fabric_object_private_set[i].type();
}
break;
}
}
if (obj) { obj.selectable = false; }
return obj;
};
}
d3_fabric_selection_proto.append = function (name) {
var sel = this,
isPath = typeof name === "string" && name.toLowerCase() === "path";
name = d3_fabric_selection_append(name);
/*jslint unparam: true*/
function appendNode(d, i, j) {
var parent = sel[j].parentNode,
canvas = parent !== undefined && parent !== null && parent._fabricCanvas !== undefined ? parent : this._fabricCanvas !== undefined ? this : null,
fabricCanvas = canvas !== null ? canvas._fabricCanvas : null,
isForPath = isPath && this instanceof fabric.PathGroup,
collection = isForPath || this instanceof fabric.Group ? this : parent instanceof fabric.Group ? parent : fabricCanvas !== null ? fabricCanvas.canvas : null,
item;
if (collection !== null) {
item = name.apply(this, arguments);
if (isForPath) {
collection.getObjects().push(item);
item.group = collection;
collection.setCoords();
} else {
collection.add(item);
if (collection.calcOffset) { collection.calcOffset(); } // calcOffset used in multiple Fabric.JS examples, unsure if really necessary but here as a precaution
}
return item;
}
return null;
}
/*jslint unparam: false*/
return d3_fabric_selection_proto.select.call(this, appendNode);
};
//-insert
function d3_fabric_compare_type(obj, type) {
if (!obj) { return false; }
var ln = type.toLowerCase(),
i,
s;
for (i = 0, s = fabric_object_private_set.length; i < s; i++) {
if (fabric_object_private_set[i].typeName.toLowerCase() === ln) {
return obj instanceof fabric_object_private_set[i].type;
}
}
return false;
}
function d3_fabric_selection_parse_selector(selector) {
function splitSelector(selector) {
var classIndex = selector.indexOf("."),
idIndex = selector.indexOf("#"),
selTypeEnd = classIndex === -1 || idIndex === -1 ? classIndex === -1 ? idIndex : classIndex : Math.min(classIndex, idIndex),
selClassEnd = classIndex >= 0 ? idIndex === -1 ? classIndex : Math.max(classIndex, idIndex) : 0,
selIdEnd = idIndex >= 0 ? classIndex === -1 ? idIndex : Math.max(idIndex, classIndex) : 0,
selType = selTypeEnd > 0 ? selector.slice(0, selTypeEnd) : (selTypeEnd === -1 && selector.length > 0) ? selector : null,
selClass = classIndex >= 0 ? classIndex === selClassEnd ? selector.slice(classIndex + 1) : selector.slice(classIndex + 1, selClassEnd) : null,
selId = idIndex >= 0 ? idIndex === selIdEnd ? selector.slice(idIndex + 1) : selector.slice(idIndex + 1, selIdEnd) : null;
function testType(obj) {
return selType === null || d3_fabric_compare_type(obj, selType);
}
function testClass(obj) {
return selClass === null || (obj.fabricClassList !== undefined && obj.fabricClassList !== null && obj.fabricClassList.indexOf(selClass) >= 0);
}
function testId(obj) {
return selId === null || (obj instanceof fabric.Text ? selId === obj.getText() : selId === obj.fabricText);
}
function testObj(obj) {
return testType(obj) && testClass(obj) && testId(obj);
}
return {
testType: testType,
testClass: testClass,
testId: testId,
testObj: testObj
};
}
function parseSelectors(selectorGroup) {
if (selectorGroup) {
var cleanSelectors = d3.map();
selectorGroup.forEach(function (ele) {
ele = ele.trim();
if (ele.length > 0 && !cleanSelectors.has(ele)) { cleanSelectors.set(ele, splitSelector(ele)); }
});
return cleanSelectors;
}
return null;
}
function singleSelector(selector) {
var group = d3.map();
group.set(selector, splitSelector(selector));
return group;
}
if (!selector || selector.length === 0) {
return {
testType: fabric.util.falseFunction,
testClass: fabric.util.falseFunction,
testId: fabric.util.falseFunction,
testObj: fabric.util.falseFunction
};
}
var selectorGroup = selector.indexOf(",") >= 0 ? parseSelectors(d3.set(selector.split(","))) : singleSelector(selector);
function test(type, obj) {
if (selectorGroup.size() === 1) { return selectorGroup.values()[0]["test" + type].call(selector, obj); }
var testPassed = true;
selectorGroup.forEach(function (selector) {
testPassed = testPassed && selector["test" + type](obj);
});
return testPassed;
}
return {
testType: function (obj) { return test("Type", obj); },