egroupware/phpgwapi/js/dhtmlxGantt/samples/08_api/04_limit_project.html

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Executable File

<!DOCTYPE html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<title>Fixed project dates</title>
</head>
<script src="../../codebase/dhtmlxgantt.js" type="text/javascript" charset="utf-8"></script>
<link rel="stylesheet" href="../../codebase/dhtmlxgantt.css" type="text/css" media="screen" title="no title" charset="utf-8">
<script type="text/javascript" src="../common/testdata.js"></script>
<style type="text/css">
html, body{ height:100%; padding:0px; margin:0px; overflow: hidden;}
.gantt_task_line.gantt_dependent_task {
background-color: #65c16f;
border: 1px solid #3c9445;
}
.gantt_task_line.gantt_dependent_task .gantt_task_progress {
background-color: #46ad51;
}
</style>
<body>
<div id="gantt_here" style='width:100%; height:100%;'></div>
<script type="text/javascript">
var tasks = {
data:[
{id:4, text:"Project #1", start_date:"02-04-2013", duration:0,order:10,
progress:0.4, open: true},
{id:5, text:"Task #2.1", start_date:"02-04-2013", duration:8, order:10,
progress:0.6, parent:4},
{id:6, text:"Task #2.2", start_date:"11-04-2013", duration:8, order:20,
progress:0.6, parent:4},
{id:7, text:"Project #2", end_date:"19-04-2013", duration:0,order:10,
progress:0.4, open: true},
{id:8, text:"Task #3.1", start_date:"02-04-2013", duration:8, order:10,
progress:0.6, parent:7},
{id:9, text:"Task #3.2", start_date:"11-04-2013", duration:8, order:20,
progress:0.6, parent:7}
],
links:[
{ id:1, source:1, target:2, type:"1"},
{ id:2, source:2, target:3, type:"0"},
{ id:3, source:3, target:4, type:"0"},
{ id:4, source:2, target:5, type:"2"}
]
};
gantt.templates.task_text = function(start, end, task){
var text = [task.text];
if(task.$no_end && !task.$no_start){
text.push("Must start on " + gantt.templates.task_date(start));
}else if(task.$no_start && !task.$no_end){
text.push("Must end by " + gantt.templates.task_date(end));
}
return text.join(", ");
};
gantt.config.lightbox.sections = [
{name: "description", height: 70, map_to: "text", type: "textarea", focus: true},
{name: "time", height: 72, type: "duration", map_to: "auto"}
];
gantt.init("gantt_here");
gantt.parse(tasks);
function limitMoveLeft(task, limit){
var dur = task.end_date - task.start_date;
task.end_date = new Date(limit.end_date);
task.start_date = new Date(+task.end_date - dur);
}
function limitMoveRight(task, limit){
var dur = task.end_date - task.start_date;
task.start_date = new Date(limit.start_date);
task.end_date = new Date(+task.start_date + dur);
}
function limitResizeLeft(task, limit){
task.end_date = new Date(limit.end_date);
}
function limitResizeRight(task, limit){
task.start_date = new Date(limit.start_date)
}
gantt.attachEvent("onTaskDrag", function(id, mode, task, original, e){
var parent = task.parent ? gantt.getTask(task.parent) : null,
children = gantt.getChildren(id),
modes = gantt.config.drag_mode;
var limitLeft = null,
limitRight = null;
if(!(mode == modes.move || mode == modes.resize)) return;
if(mode == modes.move){
limitLeft = limitMoveLeft;
limitRight = limitMoveRight;
}else if(mode == modes.resize){
limitLeft = limitResizeLeft;
limitRight = limitResizeRight;
}
//check parents constraints
if(parent && +parent.end_date < +task.end_date){
limitLeft(task, parent);
}
if(parent && +parent.start_date > +task.start_date){
limitRight(task, parent);
}
//check children constraints
for(var i=0; i < children.length; i++){
var child = gantt.getTask(children[i]);
if(+task.end_date < +child.end_date){
limitLeft(task, child);
}else if(+task.start_date > +child.start_date){
limitRight(task, child)
}
}
});
</script>
</body>