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Add duration_unit parameter so we can reduce resolution for large time spans.

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Prevents browser hanging while processing every minute of multi-year projects.
This commit is contained in:
Ralf Becker 2014-09-08 08:37:32 +00:00
parent 681a747bb5
commit 6992005c6a
1 changed files with 73 additions and 13 deletions
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86
etemplate/js/et2_widget_gantt.js
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@ -51,6 +51,12 @@ var et2_gantt = et2_valueWidget.extend([et2_IResizeable,et2_IInput],
"default": "",
"description": "AJAX menuaction to be called when the user changes a task. The function should take two parameters: the updated element, and all template values."
},
"duration_unit": {
"name": "Duration unit",
"type": "string",
"default": "minute",
"description": "The unit for task duration values. One of minute, hour, week, year."
},
value: {type: 'any'}
},
@ -62,7 +68,7 @@ var et2_gantt = et2_valueWidget.extend([et2_IResizeable,et2_IInput],
// Duration is a unitless field. This is the unit.
duration_unit: 'minute',
duration_step: 60,
duration_step: 1,
show_progress: true,
order_branch: true,
@ -148,21 +154,30 @@ var et2_gantt = et2_valueWidget.extend([et2_IResizeable,et2_IInput],
{
config.end_date = end_date.getValue() ? new Date(end_date.getValue() * 1000): null;
}
if(this.options.duration_unit)
{
config.duration_unit = this.options.duration_unit;
}
// Initialize chart
this.gantt = this.gantt_node.dhx_gantt(config);
if(this.options.zoom)
{
this.set_zoom(this.options.zoom);
}
if(this.options.value)
{
this.set_value(this.options.value);
}
// Update start & end dates with chart values for consistency
if(start_date)
if(start_date && this.options.value.data && this.options.value.data.length)
{
start_date.set_value(this.gantt.getState().min_date);
}
if(end_date)
if(end_date && this.options.value.data && this.options.value.data.length)
{
end_date.set_value(this.gantt.getState().max_date);
}
@ -207,6 +222,22 @@ var et2_gantt = et2_valueWidget.extend([et2_IResizeable,et2_IInput],
}
},
/**
* Changes the units for duration
* @param {string} duration_unit One of minute, hour, week, year
*/
set_duration_unit: function(duration_unit)
{
this.options.duration_unit = duration_unit;
if(this.gantt && this.gantt.config.duration_unit != duration_unit)
{
this.gantt.config.duration_unit = duration_unit;
// Clear the end date, or previous end date may break time scale
this.gantt.config.end_date = null;
this.gantt.refreshData();
}
},
/**
* Sets the data to be displayed in the gantt chart.
*
@ -233,21 +264,46 @@ var et2_gantt = et2_valueWidget.extend([et2_IResizeable,et2_IInput],
set_value: function(value) {
if(this.gantt == null) return false;
// Unselect task before removing it, or we get errors later if it is accessed
this.gantt.unselectTask();
// Clear previous value
this.gantt.clearAll();
if(value.duration_unit)
{
this.set_duration_unit(value.duration_unit);
}
this.gantt.showCover();
// Set zoom to max, in case data spans a large time
this.set_zoom(value.zoom || 4);
// Ensure proper format, no extras
var safe_value = {
data: value.data || [],
links: value.links || []
};
this.gantt.config.start_date = value.start_date || null;
this.gantt.config.end_date = value.end_date || null;
// Wait until zoom is done before continuing so timescales are done
var gantt_widget = this;
var zoom_wait = this.gantt.attachEvent('onGanttRender', function() {
this.detachEvent(zoom_wait);
this.gantt.parse(safe_value);
// Ensure proper format, no extras
var safe_value = {
data: value.data || [],
links: value.links || []
};
this.config.start_date = value.start_date || null;
this.config.end_date = value.end_date || null;
this.parse(safe_value);
// Zoom to specified or auto level
var auto_zoom = this.attachEvent('onGanttRender', function() {
this.detachEvent(auto_zoom);
gantt_widget.set_zoom(value.zoom || false);
this.render();
this.hideCover();
});
this.render();
})
this.gantt.render();
},
/**
* getValue has to return the value of the input widget
@ -392,6 +448,8 @@ var et2_gantt = et2_valueWidget.extend([et2_IResizeable,et2_IInput],
this.gantt.config.min_column_width = min_column_width;
this.options.zoom = level;
this.gantt.refreshData();
return level;
},
@ -425,7 +483,7 @@ var et2_gantt = et2_valueWidget.extend([et2_IResizeable,et2_IInput],
},100);
});
if(this.parentNode.firstChild == this)
if(this.parentNode && this.parentNode.firstChild == this)
{
// Zoom out
gantt_widget.set_zoom(gantt_widget.options.zoom + 1);
@ -510,10 +568,12 @@ var et2_gantt = et2_valueWidget.extend([et2_IResizeable,et2_IInput],
// Node children are already there & displayed
var value = gantt_widget.getInstanceManager().getValues(gantt_widget.getInstanceManager().widgetContainer);
this.showCover();
var request = gantt_widget.egw().json(gantt_widget.options.autoload,
[id,value,task.parent||false],
function(data) {
this.parse(data);
this.hideCover();
},
this,true,this
).sendRequest();