mirror of
https://bitbucket.org/wisemapping/wisemapping-open-source.git
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248 lines
8.4 KiB
JavaScript
248 lines
8.4 KiB
JavaScript
/*
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* Copyright [2011] [wisemapping]
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*
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* Licensed under WiseMapping Public License, Version 1.0 (the "License").
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* It is basically the Apache License, Version 2.0 (the "License") plus the
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* "powered by wisemapping" text requirement on every single page;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the license at
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*
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* http://www.wisemapping.org/license
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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core.Utils = {
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};
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Math.sign = function(value) {
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return (value >= 0) ? 1 : -1;
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};
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core.Utils.innerXML = function(/*Node*/node) {
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// summary:
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// Implementation of MS's innerXML function.
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if ($defined(node.innerXML)) {
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return node.innerXML;
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// string
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} else if ($defined(node.xml)) {
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return node.xml;
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// string
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} else if ($defined(XMLSerializer)) {
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return (new XMLSerializer()).serializeToString(node);
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// string
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}
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};
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core.Utils.createDocument = function() {
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// summary:
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// cross-browser implementation of creating an XML document object.
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var doc = null;
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var _document = window.document;
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if ($defined(window.ActiveXObject)) {
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var prefixes = [ "MSXML2", "Microsoft", "MSXML", "MSXML3" ];
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for (var i = 0; i < prefixes.length; i++) {
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try {
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doc = new ActiveXObject(prefixes[i] + ".XMLDOM");
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} catch(e) { /* squelch */
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}
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;
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if ($defined(doc)) {
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break;
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}
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}
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} else if ((_document.implementation) &&
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(_document.implementation.createDocument)) {
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doc = _document.implementation.createDocument("", "", null);
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}
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return doc;
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// DOMDocument
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};
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core.Utils.createDocumentFromText = function(/*string*/str, /*string?*/mimetype) {
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// summary:
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// attempts to create a Document object based on optional mime-type,
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// using str as the contents of the document
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if (!$defined(mimetype)) {
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mimetype = "text/xml";
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}
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if ($defined(window.DOMParser)) {
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var parser = new DOMParser();
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return parser.parseFromString(str, mimetype);
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// DOMDocument
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} else if ($defined(window.ActiveXObject)) {
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var domDoc = core.Utils.createDocument();
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if ($defined(domDoc)) {
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domDoc.async = false;
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domDoc.loadXML(str);
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return domDoc;
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// DOMDocument
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}
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}
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return null;
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};
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core.Utils.calculateRelationShipPointCoordinates = function(topic, controlPoint) {
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var size = topic.getSize();
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var position = topic.getPosition();
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var m = (position.y - controlPoint.y) / (position.x - controlPoint.x);
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var y,x;
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var gap = 5;
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if (controlPoint.y > position.y + (size.height / 2)) {
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y = position.y + (size.height / 2) + gap;
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x = position.x - ((position.y - y) / m);
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if (x > position.x + (size.width / 2)) {
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x = position.x + (size.width / 2);
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} else if (x < position.x - (size.width / 2)) {
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x = position.x - (size.width / 2);
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}
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} else if (controlPoint.y < position.y - (size.height / 2)) {
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y = position.y - (size.height / 2) - gap;
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x = position.x - ((position.y - y) / m);
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if (x > position.x + (size.width / 2)) {
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x = position.x + (size.width / 2);
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} else if (x < position.x - (size.width / 2)) {
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x = position.x - (size.width / 2);
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}
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} else if (controlPoint.x < (position.x - size.width / 2)) {
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x = position.x - (size.width / 2) - gap;
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y = position.y - (m * (position.x - x));
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} else {
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x = position.x + (size.width / 2) + gap;
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y = position.y - (m * (position.x - x));
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}
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return new core.Point(x, y);
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};
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core.Utils.calculateDefaultControlPoints = function(srcPos, tarPos) {
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var y = srcPos.y - tarPos.y;
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var x = srcPos.x - tarPos.x;
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var m = y / x;
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var l = Math.sqrt(y * y + x * x) / 3;
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var fix = 1;
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if (srcPos.x > tarPos.x) {
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fix = -1;
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}
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var x1 = srcPos.x + Math.sqrt(l * l / (1 + (m * m))) * fix;
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var y1 = m * (x1 - srcPos.x) + srcPos.y;
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var x2 = tarPos.x + Math.sqrt(l * l / (1 + (m * m))) * fix * -1;
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var y2 = m * (x2 - tarPos.x) + tarPos.y;
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return [new core.Point(-srcPos.x + x1, -srcPos.y + y1),new core.Point(-tarPos.x + x2, -tarPos.y + y2)];
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};
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core.Utils.setVisibilityAnimated = function(elems, isVisible, doneFn) {
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core.Utils.animateVisibility(elems, isVisible, doneFn);
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};
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core.Utils.setChildrenVisibilityAnimated = function(rootElem, isVisible) {
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var children = core.Utils._addInnerChildrens(rootElem);
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core.Utils.animateVisibility(children, isVisible);
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};
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core.Utils.animateVisibility = function (elems, isVisible, doneFn) {
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var _fadeEffect = null;
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var _opacity = (isVisible ? 0 : 1);
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if (isVisible) {
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elems.forEach(function(child, index) {
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if ($defined(child)) {
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child.setOpacity(_opacity);
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child.setVisibility(isVisible);
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}
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});
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}
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var fadeEffect = function(index) {
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var step = 10;
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if ((_opacity <= 0 && !isVisible) || (_opacity >= 1 && isVisible)) {
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$clear(_fadeEffect);
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_fadeEffect = null;
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elems.forEach(function(child, index) {
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if ($defined(child)) {
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child.setVisibility(isVisible);
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}
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});
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if ($defined(doneFn))
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doneFn.attempt();
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}
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else {
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var fix = 1;
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if (isVisible) {
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fix = -1;
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}
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_opacity -= (1 / step) * fix;
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elems.forEach(function(child, index) {
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if ($defined(child)) {
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child.setOpacity(_opacity);
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}
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});
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}
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};
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_fadeEffect = fadeEffect.periodical(10);
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};
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core.Utils.animatePosition = function (elems, doneFn, designer) {
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var _moveEffect = null;
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var i = 10;
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var step = 10;
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var moveEffect = function () {
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if (i > 0) {
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var keys = elems.keys();
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for (var j = 0; j < keys.length; j++) {
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var id = keys[j];
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var mod = elems.get(id);
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var allTopics = designer.getModel().getTopics();
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var currentTopic = allTopics.filter(function(node) {
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return node.getId() == id;
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})[0];
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var xStep = (mod.originalPos.x - mod.newPos.x) / step;
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var yStep = (mod.originalPos.y - mod.newPos.y) / step;
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var newPos = currentTopic.getPosition().clone();
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newPos.x += xStep;
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newPos.y += yStep;
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currentTopic.setPosition(newPos, false);
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}
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} else {
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$clear(_moveEffect);
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var keys = elems.keys();
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for (var j = 0; j < keys.length; j++) {
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var id = keys[j];
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var mod = elems.get(id);
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var allTopics = designer.getModel().getTopics();
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var currentTopic = allTopics.filter(function(node) {
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return node.getId() == id;
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})[0];
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currentTopic.setPosition(mod.originalPos, false);
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}
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if ($defined(doneFn))
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doneFn.attempt();
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}
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i--;
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};
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_moveEffect = moveEffect.periodical(10);
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};
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core.Utils._addInnerChildrens = function(elem) {
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var children = [];
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var childs = elem._getChildren();
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for (var i = 0; i < childs.length; i++) {
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var child = childs[i];
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children.push(child);
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children.push(child.getOutgoingLine());
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var relationships = child.getRelationships();
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children = children.concat(relationships);
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var innerChilds = core.Utils._addInnerChildrens(child);
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children = children.concat(innerChilds);
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}
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return children;
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}; |