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443 lines (391 loc) · 11.2 KB
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+(function(global, factory) {
if (typeof define === 'function' && define.amd) {
define([], factory);
} else if (typeof exports === 'object') {
modules.exports = factory();
} else {
global.utils= factory();
}
})(this, function() {
"use strict";
var moment = window.moment;
var lineFn = d3.line()
.x(function(d) {
return d.x;
})
.y(function(d) {
return d.y;
});
var config = {
componentArea: '.components-area',
zoomContainer: '.zoom-container'
};
/**
* 將多組座標資料，合併為一條 path 資料
* @example
* var rt = joinedPath(multiPaths)
* // multiPaths = [[{"x":0,"y":0},{"x":10,"y":15}],[{"x":10,"y":15},{"x":20,"y":30}]]
* // rt = [{"x":0,"y":0},{"x":10,"y":15},{"x":20,"y":30}]
* @param {array} multiPaths - 多組座標資料
* @return {array} 合併後的 path 資料
*/
function joinedPath(multiPaths) {
var data;
multiPaths.forEach(function(val, idx) {
if (idx === 0) {
data = val.slice();
} else {
data.push(val[1]);
}
});
return data;
}
/**
* id 產生
* @return {string} id
*/
function guid() {
var time = moment ? moment().format('YYYYMMDD') + '-' : '';
return 'id_' + time + s4() + s4() + '-' + s4() + '-' + s4() + '-' +
s4() + '-' + s4() + s4() + s4();
function s4() {
return Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1);
}
}
/**
* 使用 JSON 的方法，來做資料的複製
* @param {object|array} data - 被複製的資料
* @return {object|array} 複製的資料
*/
function clone(data) {
return JSON.parse(JSON.stringify(data));
}
/**
* 取得 transform 裡的 translate 的值
* @param {object} svgElement - svg element
* @return {object} {x, y}
*/
function getTransformObj(svgElement) {
return {
x: svgElement.transform.baseVal[0].matrix.e,
y: svgElement.transform.baseVal[0].matrix.f
};
}
/**
* 轉換座標，由 svg 座標系統到在指定容器元素座標系統
* @param {SVGElement} container - 指定元素
* @param {object} coord - x, y
* @return {object} x, y
*/
function coordinateTransform(container, coord) {
var viewportEl = container.nearestViewportElement;
var ctm = container.getCTM();
var point = viewportEl.createSVGPoint();
point.x = coord.x;
point.y = coord.y;
var newCoord = point.matrixTransform(ctm.inverse());
return {
x: newCoord.x,
y: newCoord.y
};
}
/**
* 取得目標元素在 svg (viewport) 的座標
* @param {SVGElement} svgElement - svg element
* @return {object} {x, y}
*/
function getViewportCoordinate(svgElement) {
var viewportEl = svgElement.nearestViewportElement;
var currCoord = svgElement.getBBox();
var coor = {x: 0, y: 0};
var ctm, point;
if (viewportEl) {
ctm = svgElement.getCTM();
point = viewportEl.createSVGPoint();
point.x = currCoord.x;
point.y = currCoord.y;
coor = point.matrixTransform(ctm);
}
return {
x: coor.x,
y: coor.y
};
}
/**
* 取得矩形中心點
* @param {SVGElement} svgElement - svg rectangle element
* @return {object} {x, y}
*/
function getRectCenter(svgElement) {
var bound = svgElement.getBoundingClientRect();
var coor = getViewportCoordinate(svgElement);
return {
x: coor.x + bound.width/2,
y: coor.y + bound.height/2
}
}
/**
* 取得元素的中心座標
* @param {SVGElement} svgElement - svg element
* @param {string} containerSelector - container，指定座標系統，預設為 screen
* @return {object} {x, y}
*/
function getCenter(svgElement, containerSelector) {
var centerPoint = getRectCenter(svgElement);
var elem;
if (containerSelector) {
elem = document.querySelector(containerSelector);
return coordinateTransform(elem, centerPoint);
}
return centerPoint;
}
/**
* 匯出元件布局 JSON
* @return {object} JSON Object
*/
function exportLayout() {
var comps = d3.selectAll('svg .components-area .component');
var paths = d3.selectAll('svg .path-container path:not(.shadow)');
var svg = d3.select('svg').node();
var rect = svg.getBoundingClientRect();
var layout = {
"name": "svg",
"width": rect.width,
"height": rect.height,
"zoom": _zoomInst.getTransform(),
"data": {
"components": clone(comps.data()),
"paths": clone(paths.data())
}
};
return layout;
}
/**
* 匯入元件布局 JSON
* @param {object} jsonObj - 元件布局 JSON
*/
function importLayout(jsonObj) {
var area = d3.select('svg .components-area');
var pathContainer = d3.select('svg .path-container');
var editContent = d3.select('svg .edit-content');
// clear content
area.selectAll('*').remove();
pathContainer.selectAll('*').remove();
editContent.selectAll('*').remove();
// 比例尺的部份
// 相容之前釋出的 blockly 版本
if (jsonObj.zoom) {
_zoomInst.setTransform(jsonObj.zoom, true);
}
// 匯入資料
// 待處理
// components
$.each(jsonObj.data.components, function(idx, val) {
var elem = createComponent(val);
area.node().appendChild(elem);
});
// paths
$.each(jsonObj.data.paths, function(idx, val) {
var g = createSVGElement('g');
var path = createPath(val);
var shadowPath = createPath(val);
d3.select(shadowPath).classed('shadow', true);
g.appendChild(path);
g.appendChild(shadowPath);
d3.select(g).attr('id', guid());
pathContainer.node().appendChild(g);
});
}
function createSVGElement(name) {
return document.createElementNS(d3.namespaces.svg, name);
}
/**
* 產生元件元素
* @param {object|string} info - ex: {type: 'fly', x: 11, y: 22}
* @return {element} svg element
*/
function createComponent(info) {
if (typeof info === 'string') {
info = { type: info };
}
info.id = info.id || guid();
var type = info.type;
var dataInfo = _components[type];
var parse = function(str) {
var el = Snap.parse(str);
el = el.select('g');
return el.node;
};
var elem = parse(dataInfo.template);
var d3Elem = d3.select(elem)
.data([info])
.attr('id', function(d) { return d.id; })
.attr('data-type', type)
.classed('component', true);
if (info.x || info.y) {
translate(elem, info.x, info.y);
}
return d3Elem.node();
}
/**
* 更新元件的位置資訊
* @param {element} element - svg element
*/
function updateLocationData(element) {
var bbox = Snap(element).getBBox();
var el = d3.select(element);
var data = el.data()[0];
data.x = bbox.x;
data.y = bbox.y;
el.datum(data);
}
/**
* 在 svg 更新元素的 translate
* @param {element} target - svg element
* @param {string|number} x - x 座標
* @param {string|number} y - y 座標
*/
function translate(target, x, y) {
var transform = d3.zoomIdentity;
transform = transform.translate(x, y);
d3.select(target).attr('transform', transform);
}
/**
* 產生 path 元素
* @param {array} data - 多條 path 資料，ex: [[{x: 10, y: 10}, {x: 20, y: 20}], [{x: 20, y: 20}, {x: 30, y: 30}]]
* @return {element} svg element
*/
function createPath(data) {
var elem = d3.select(createSVGElement('path'));
elem.data([data]).attr("d", function(d) {
var dd = joinedPath(d);
return window.pathRoundedCorner(lineFn(dd));
});
return elem.node();
}
/**
* 更新 path 元素的 data
* @param {element} elem - svg element
* @param {object} data - 多條 path 資料
*/
function updatePath(elem, data) {
d3.select(elem).data([data]).attr("d", function(d) {
var dd = joinedPath(d);
return window.pathRoundedCorner(lineFn(dd));
});
}
/**
* 更新畫面上的 path 圖形
* @param {element} elem - path element
*/
function redrawPath(elem) {
d3.select(elem).attr("d", function(d) {
var dd = joinedPath(d);
return window.pathRoundedCorner(lineFn(dd));
});
}
/**
* 取得所有 path 資料
* @example
* var aa = getPathsData();
* // aa = { "group id" : [[{x: 10, y: 10}, {x: 20, y: 20}], [{x: 20, y: 20},{x: 30, y: 30}]], ...}
* @param {Boolean} isReallyData - 是否是真實資料
* @return {object} 所有路徑資料
*/
function getPathsData(isReallyData) {
var obj = {};
var pathContainers = d3.select('.path-container');
pathContainers.selectAll('g').each(function() {
obj[this.id] = d3.select(this).select('path:not(.shadow)').data()[0];
});
return !!isReallyData ? obj : clone(obj);
}
/**
* 取得目標元件的 pin 腳資料
* @param {string|element} selector - 目標元素
* @return {object} pin 腳資料, {x, y, pin}
*/
// function getPinsData(selector) {
// var target = d3.select(selector);
// var pinData = [];
// target.select('[name="pinGroup"]').selectAll('rect').each(function() {
// var rect = getRectCenter(this);
// rect.pin = this.getAttribute('name');
// pinData.push(rect);
// });
// return pinData;
// }
/**
* 取得目標元素所對應的連接點座標
* @param {element} elem - html element
* @param {string} containerSelector - container，指定座標系統，預設為 screen
* @return {object} 回傳座標資訊, ex: {x: 1, y: 1, component: {id: 'xxx', type: 'led', pin: 'xxx'}}
*/
function getConnectPoint(elem, containerSelector) {
var $elem = $(elem);
var $com = $elem.parents('.component').first();
var coor;
if (!$elem.parents('[name="pinGroup"]').length) {
return null;
}
if ($elem.is('rect')) {
coor = getCenter(elem, containerSelector);
coor.component = {
id: $com.attr('id'),
type: $com.get(0).dataset.type,
pin: $elem.attr('name')
};
return coor;
}
return null;
}
function on(type, handler) {
$('body').on(type, function (event, data) {
handler(data);
});
}
function once(type, handler) {
$('body').once(type, function (event, data) {
handler(data);
});
}
function off(type) {
$('body').off(type);
}
function trigger(type, data) {
var sendData = [];
if (data) {
sendData.push(data);
}
$('body').trigger(type, sendData);
}
return {
config: config,
guid: guid,
getTransformObj: getTransformObj,
getViewportCoordinate: getViewportCoordinate,
// getRectCenter: getRectCenter,
getCenter: getCenter,
clone: clone,
exportLayout: exportLayout,
importLayout: importLayout,
createSVGElement: createSVGElement,
createComponent: createComponent,
updateLocationData: updateLocationData,
translate: translate,
getPathsData: getPathsData,
createPath: createPath,
updatePath: updatePath,
redrawPath: redrawPath,
getConnectPoint: getConnectPoint,
coordinateTransform: coordinateTransform,
event: {
on: on,
once: once,
off: off,
trigger: trigger
}
};
});