mirror of
https://github.com/EGroupware/egroupware.git
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96 lines
3.7 KiB
HTML
96 lines
3.7 KiB
HTML
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<!DOCTYPE html>
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<head>
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<meta http-equiv="Content-type" content="text/html; charset=utf-8">
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<title>Constraints</title>
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</head>
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<script src="../../codebase/dhtmlxgantt.js" type="text/javascript" charset="utf-8"></script>
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<link rel="stylesheet" href="../../codebase/dhtmlxgantt.css" type="text/css" media="screen" title="no title" charset="utf-8">
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<script type="text/javascript" src="../common/testdata.js"></script>
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<style type="text/css">
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html, body{ height:100%; padding:0px; margin:0px; overflow: hidden;}
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</style>
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<body>
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<div id="gantt_here" style='width:100%; height:100%;'></div>
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<script type="text/javascript">
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gantt.templates.task_class = function(st,end,item){
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return gantt.getChildren(item.id).length ? "gantt_project" : "";
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};
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gantt.init("gantt_here");
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function limitMoveLeft(task, limit){
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var dur = task.end_date - task.start_date;
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task.end_date = new Date(limit.end_date);
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task.start_date = new Date(+task.end_date - dur);
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}
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function limitMoveRight(task, limit){
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var dur = task.end_date - task.start_date;
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task.start_date = new Date(limit.start_date);
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task.end_date = new Date(+task.start_date + dur);
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}
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function limitResizeLeft(task, limit){
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task.end_date = new Date(limit.end_date);
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}
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function limitResizeRight(task, limit){
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task.start_date = new Date(limit.start_date)
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}
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gantt.attachEvent("onTaskDrag", function(id, mode, task, original, e){
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var parent = task.parent ? gantt.getTask(task.parent) : null,
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children = gantt.getChildren(id),
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modes = gantt.config.drag_mode;
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var limitLeft = null,
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limitRight = null;
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if(!(mode == modes.move || mode == modes.resize)) return;
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if(mode == modes.move){
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limitLeft = limitMoveLeft;
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limitRight = limitMoveRight;
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}else if(mode == modes.resize){
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limitLeft = limitResizeLeft;
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limitRight = limitResizeRight;
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}
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//check parents constraints
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if(parent && +parent.end_date < +task.end_date){
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limitLeft(task, parent);
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}
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if(parent && +parent.start_date > +task.start_date){
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limitRight(task, parent);
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}
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//check children constraints
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for(var i=0; i < children.length; i++){
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var child = gantt.getTask(children[i]);
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if(+task.end_date < +child.end_date){
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limitLeft(task, child);
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}else if(+task.start_date > +child.start_date){
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limitRight(task, child)
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}
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}
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});
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gantt.parse({
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"data":[
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{"id":11, "text":"Project #1", "start_date":"01-04-2013", "duration":"11", "progress": 0.6, "open": true},
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{"id":12, "text":"Task #1", "start_date":"03-04-2013", "duration":"5", "parent":"11", "progress": 1, "open": true},
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{"id":13, "text":"Task #2", "start_date":"02-04-2013", "duration":"7", "parent":"11", "progress": 0.5, "open": true},
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{"id":14, "text":"Task #3", "start_date":"02-04-2013", "duration":"6", "parent":"11", "progress": 0.8, "open": true},
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{"id":15, "text":"Task #4", "start_date":"02-04-2013", "duration":"6", "parent":"11", "progress": 0.2, "open": true},
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{"id":16, "text":"Task #5", "start_date":"02-04-2013", "duration":"7", "parent":"11", "progress": 0, "open": true},
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{"id":17, "text":"Task #2.1", "start_date":"03-04-2013", "duration":"2", "parent":"13", "progress": 1, "open": true},
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{"id":18, "text":"Task #2.2", "start_date":"06-04-2013", "duration":"3", "parent":"13", "progress": 0.8, "open": true},
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{"id":21, "text":"Task #4.1", "start_date":"03-04-2013", "duration":"4", "parent":"15", "progress": 0.5, "open": true},
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{"id":22, "text":"Task #4.2", "start_date":"03-04-2013", "duration":"4", "parent":"15", "progress": 0.1, "open": true},
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{"id":23, "text":"Task #4.3", "start_date":"03-04-2013", "duration":"5", "parent":"15", "progress": 0, "open": true}
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]
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});
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</script>
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</body>
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