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/*
This software is allowed to use under GPL or you need to obtain Commercial or Enterise License
to use it in non-GPL project. Please contact sales@dhtmlx.com for details
*/
(function(){
var temp_section;
var before;
scheduler.config.collision_limit = 1;
function _setTempSection(event_id) { // for custom views (matrix, timeline, units)
var pr = scheduler._props?scheduler._props[scheduler._mode]:null;
var matrix = scheduler.matrix?scheduler.matrix[scheduler._mode]:null;
var checked_mode = pr||matrix; // units or matrix mode
if(pr)
var map_to = checked_mode.map_to;
if(matrix)
var map_to = checked_mode.y_property;
if ((checked_mode) && event_id){
temp_section = scheduler.getEvent(event_id)[map_to];
}
}
scheduler.attachEvent("onBeforeDrag",function(id){
_setTempSection(id);
return true;
});
scheduler.attachEvent("onBeforeLightbox",function(id){
var ev = scheduler.getEvent(id);
before = [ev.start_date, ev.end_date];
_setTempSection(id);
return true;
});
scheduler.attachEvent("onEventChanged",function(id){
if (!id) return true;
var ev = scheduler.getEvent(id);
if (!scheduler.checkCollision(ev)){
if (!before) return false;
ev.start_date = before[0];
ev.end_date = before[1];
ev._timed=this.isOneDayEvent(ev);
}
return true;
});
scheduler.attachEvent("onBeforeEventChanged",function(ev,e,is_new){
return scheduler.checkCollision(ev);
});
scheduler.attachEvent("onEventAdded",function(id,ev) {
var result = scheduler.checkCollision(ev);
if (!result)
scheduler.deleteEvent(id);
});
scheduler.attachEvent("onEventSave",function(id, edited_ev, is_new){
edited_ev = scheduler._lame_clone(edited_ev);
edited_ev.id = id;
//lightbox may not have 'time' section
if(!(edited_ev.start_date && edited_ev.end_date)){
var ev = scheduler.getEvent(id);
edited_ev.start_date = new Date(ev.start_date);
edited_ev.end_date = new Date(ev.end_date);
}
if(edited_ev.rec_type){
scheduler._roll_back_dates(edited_ev);
}
return scheduler.checkCollision(edited_ev); // in case user creates event on one date but then edited it another
});
scheduler.checkCollision = function(ev) {
var evs = [];
var collision_limit = scheduler.config.collision_limit;
if (ev.rec_type) {
var evs_dates = scheduler.getRecDates(ev);
for(var k=0; k<evs_dates.length; k++) {
var tevs = scheduler.getEvents(evs_dates[k].start_date, evs_dates[k].end_date);
for(var j=0; j<tevs.length; j++) {
if ((tevs[j].event_pid || tevs[j].id) != ev.id )
evs.push(tevs[j]);
}
}
} else {
evs = scheduler.getEvents(ev.start_date, ev.end_date);
for (var i=0; i<evs.length; i++) {
if (evs[i].id == ev.id) {
evs.splice(i,1);
break;
}
}
}
var pr = scheduler._props?scheduler._props[scheduler._mode]:null;
var matrix = scheduler.matrix?scheduler.matrix[scheduler._mode]:null;
var checked_mode = pr||matrix;
if(pr)
var map_to = checked_mode.map_to;
if(matrix)
var map_to = checked_mode.y_property;
var single = true;
if (checked_mode) { // custom view
var count = 0;
for (var i = 0; i < evs.length; i++)
if (evs[i][map_to] == ev[map_to] && evs[i].id != ev.id)
count++;
if (count >= collision_limit) {
single = false;
}
}
else {
if ( evs.length >= collision_limit )
single = false;
}
if (!single) {
var res = !scheduler.callEvent("onEventCollision",[ev,evs]);
if (!res) {
ev[map_to] = temp_section||ev[map_to]; // from _setTempSection for custom views
}
return res;
}
return single;
}
})();
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