2022-01-20 00:20:06 +08:00

245 lines
11 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<title>Grapheditor</title>
<!--[if IE]>
<meta http-equiv="X-UA-Compatible" content="IE=5,IE=9">
<![endif]-->
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" type="text/css" href="styles/grapheditor.css">
<script type="text/javascript">
var urlParams = (function (url) {
var result = {};
var idx = url.lastIndexOf('?');
if (idx > 0) {
var params = url.substring(idx + 1).split('&');
for (var i = 0; i < params.length; i++) {
idx = params[i].indexOf('=');
if (idx > 0) {
result[params[i].substring(0, idx)] = params[i].substring(idx + 1);
}
}
}
return result;
})(window.location.href);
mxLoadResources = false;
window.mxBasePath = "./src";
</script>
<script type="text/javascript" src="js/Init.js"></script>
<script type="text/javascript" src="deflate/pako.min.js"></script>
<script type="text/javascript" src="deflate/base64.js"></script>
<script type="text/javascript" src="jscolor/jscolor.js"></script>
<script type="text/javascript" src="sanitizer/sanitizer.min.js"></script>
<script type="text/javascript" src="js/mxClient.js"></script>
<script type="text/javascript" src="js/EditorUi.js"></script>
<script type="text/javascript" src="js/Editor.js"></script>
<script type="text/javascript" src="js/Sidebar.js"></script>
<script type="text/javascript" src="js/Graph.js"></script>
<script type="text/javascript" src="js/Format.js"></script>
<script type="text/javascript" src="js/Shapes.js"></script>
<script type="text/javascript" src="js/Actions.js"></script>
<script type="text/javascript" src="js/Menus.js"></script>
<script type="text/javascript" src="js/Toolbar.js"></script>
<script type="text/javascript" src="js/Dialogs.js"></script>
</head>
<body class="geEditor">
<script type="text/javascript" src="js/Dark.js"></script>
<script type="text/javascript">
(function () {
var editorUiInit = EditorUi.prototype.init;
EditorUi.prototype.init = function () {
editorUiInit.apply(this, arguments);
this.actions.get('new').setEnabled(false);
this.actions.get('export').setEnabled(false);
this.actions.get('open').setEnabled(false);
this.actions.get('import').setEnabled(false);
this.actions.get('save').setEnabled(true);
this.actions.get('saveAs').setEnabled(false);
this.actions.get('export').setEnabled(false);
};
EditorUi.prototype.saveFile = function () {
window.parent.postMessage({
act: 'save',
params: {
}
}, '*');
};
EditorUi.prototype.menubarHeight = 0;
EditorUi.prototype.footerHeight = 0;
mxResources.loadDefaultBundle = false;
var bundle = mxResources.getDefaultBundle(RESOURCE_BASE, mxLanguage) || mxResources.getSpecialBundle(RESOURCE_BASE, mxLanguage);
mxUtils.getAll([bundle, STYLE_PATH + '/default.xml'], function (xhr) {
mxResources.parse(xhr[0].getText());
var themes = {};
themes[Graph.prototype.defaultThemeName] = xhr[1].getDocumentElement();
var editorUi = new EditorUi(new Editor(urlParams['chrome'] == '0', themes));
var graph = editorUi.editor.graph;
var getPos = function () {
var svg = null;
var childNodes = graph.container.childNodes;
for (var i = 0; i < childNodes.length; i++) {
if (childNodes[i].nodeName.toLocaleLowerCase() == 'svg') {
svg = childNodes[i];
break;
}
}
var data = {
p1: {left: 0, top: 0},
p2: {left: 0, top: 0},
};
if (svg != null) {
data = {
p1: {
left: svg.clientWidth / 2,
top: svg.clientHeight / 2,
},
p2: {
left: graph.container.clientWidth / 2 + graph.container.scrollLeft,
top: graph.container.clientHeight / 2 + graph.container.scrollTop,
}
};
}
return {
left: data.p2.left - data.p1.left,
top: data.p2.top - data.p1.top,
};
}
var setPos = function (diff) {
var svg = null;
var childNodes = graph.container.childNodes;
for (var i = 0; i < childNodes.length; i++) {
if (childNodes[i].nodeName.toLocaleLowerCase() == 'svg') {
svg = childNodes[i];
break;
}
}
if (svg == null) {
return;
}
graph.container.scrollLeft = svg.clientWidth / 2 + diff.left - graph.container.clientWidth / 2;
graph.container.scrollTop = svg.clientHeight / 2 + diff.top - graph.container.clientHeight / 2;
}
var newXml;
var newPos;
var randXml;
var backupParams;
var changePost = function (immediately) {
var randTmp = (randXml = Math.random());
setTimeout(() => {
if (randTmp != randXml) {
return;
}
if (!backupParams) {
return;
}
newPos = getPos();
newXml = mxUtils.getPrettyXml(editorUi.editor.getGraphXml());
if (backupParams.xml && backupParams.xml.replace(/^<mxGraphModel(.*?)>/, '') == newXml.replace(/^<mxGraphModel(.*?)>/, '')) {
if (backupParams.scale && backupParams.scale == graph.getView().scale) {
if (typeof backupParams.diffpos === "object" && Math.abs(backupParams.diffpos.left - newPos.left) < 10 && Math.abs(backupParams.diffpos.top - newPos.top) < 10) {
return;
}
}
}
backupParams.xml = newXml;
window.parent.postMessage({
act: 'change',
params: {
xml: newXml,
scale: graph.getView().scale,
diffpos: newPos,
}
}, '*');
}, immediately === true ? 0 : 200)
}
graph.getModel().addListener(mxEvent.CHANGE, mxUtils.bind(editorUi, function() { changePost(true) }));
graph.getView().addListener(mxEvent.SCALE, mxUtils.bind(editorUi, function() {changePost(true) }));
graph.container.addEventListener("scroll", changePost);
window.addEventListener("message", function(event){
var data = event.data;
switch (data.act) {
case 'setXml':
try {
backupParams = data.params;
editorUi.editor.setGraphXml(mxUtils.parseXml(data.params.xml).documentElement);
typeof data.params.scale === "number" && graph.zoomTo(data.params.scale);
typeof data.params.diffpos === "object" && setPos(data.params.diffpos);
} catch (e) {
}
break;
case 'exportPNG':
try {
(function (name, scale, type) {
name = name || '未命名';
type = type || 'png';
scale = scale || 1;
var graph = editorUi.editor.graph;
var bounds = graph.getGraphBounds();
var width = Math.ceil(bounds.width / graph.view.scale * scale);
var height = Math.ceil(bounds.height / graph.view.scale * scale);
var source = '<?xml version="1.0" standalone="no"?>\r\n' + mxUtils.getXml(graph.getSvg(null, scale, 0))
var image = new Image()
image.src = 'data:image/svg+xml;charset=utf-8,' + encodeURIComponent(source)
var canvas = document.createElement('canvas')
canvas.width = width
canvas.height = height
var context = canvas.getContext('2d')
context.fillStyle = '#fff'
context.fillRect(0, 0, 10000, 10000)
image.onload = function () {
context.drawImage(image, 0, 0)
if (type == 'imageContent') {
window.parent.postMessage({
act: 'imageContent',
params: {
name: name,
width: width,
height: height,
content: canvas.toDataURL(`image/${type}`)
}
}, '*');
} else {
var a = document.createElement('a')
a.download = `${name}.${type}`
a.href = canvas.toDataURL(`image/${type}`)
a.click()
}
}
})(data.params.name, data.params.scale, data.params.type);
} catch (e) {
}
break;
}
});
window.parent.postMessage({
act: 'ready',
params: {}
}, '*');
}, function () {
document.body.innerHTML = '<center style="margin-top:10%;">Error loading resource files. Please check browser console.</center>';
});
})();
</script>
</body>
</html>