Create Custom Month Views with Event Count in the Show More Button of the Scheduler
Environment
| Product | Progress® Kendo UI® Scheduler for jQuery |
| Operating System | Windows 10 64bit |
| Visual Studio Version | Visual Studio 2017 |
| Preferred Language | JavaScript |
Description
How can I inherit the built-in Month view and show the hidden events count when the Show More button is rendered?
Solution
The following example demonstrates how to achieve the desired scenario.
<div id="scheduler"></div>
<script>
var MORE_BUTTON_TEMPLATE = kendo.template(
'<div style="width:#=width#px;left:#=left#px;top:#=top#px"' +
'class="k-more-events k-button k-button-md k-button-rectangle k-rounded-md k-button-solid k-button-solid-base"><span style="font-size:8pt; margin-top: 0;">' +
'#=getEventCountForRange(startSlot, endSlot, rowsCount)# more events..</span></div>');
function getEventCountForRange(startSlot, endSlot, rowsCount) {
var scheduler = $(startSlot.element).closest("[data-role=scheduler]").getKendoScheduler();
var currentTimezoneOffset = kendo.date.MS_PER_MINUTE * new Date().getTimezoneOffset();
var rangeStart = new Date(startSlot.start + currentTimezoneOffset);
var rangeEnd = new Date(endSlot.end + currentTimezoneOffset);
return scheduler.occurrencesInRange(rangeStart, rangeEnd).length - rowsCount + 1;
}
var CustomMonthView = kendo.ui.MonthView.extend({
options: {
name: "CustomMonthView",
title: "Month Week"
},
_positionEvent: function(slotRange, element, group) {
var eventHeight = this.options.eventHeight;
var startSlot = slotRange.start;
if (slotRange.start.offsetLeft > slotRange.end.offsetLeft) {
startSlot = slotRange.end;
}
var startIndex = slotRange.start.index;
var endIndex = slotRange.end.index;
var eventCount = startSlot.eventCount;
var events = kendo.ui.SchedulerView.collidingEvents(slotRange.events(), startIndex, endIndex);
var rightOffset = startIndex !== endIndex ? 5 : 4;
events.push({
element: element,
start: startIndex,
end: endIndex
});
var rows = kendo.ui.SchedulerView.createRows(events);
for (var idx = 0, length = Math.min(rows.length, eventCount); idx < length; idx++) {
var rowEvents = rows[idx].events;
var eventTop = startSlot.offsetTop + startSlot.firstChildHeight + idx * eventHeight + 3 * idx + "px";
for (var j = 0, eventLength = rowEvents.length; j < eventLength; j++) {
rowEvents[j].element[0].style.top = eventTop;
}
}
if (rows.length > eventCount) {
for (var slotIndex = startIndex; slotIndex <= endIndex; slotIndex++) {
var collection = slotRange.collection;
var slot = collection.at(slotIndex);
if (slot.more) {
return;
}
slot.more = $(MORE_BUTTON_TEMPLATE({
startSlot: slotRange.start,
endSlot: slotRange.end,
rowsCount: rows.length,
ns: kendo.ns,
start: slotIndex,
end: slotIndex,
width: slot.clientWidth - 2,
left: slot.offsetLeft + 2,
top: slot.offsetTop + slot.firstChildHeight + eventCount * eventHeight + 3 * eventCount
}));
this.content[0].appendChild(slot.more[0]);
}
} else {
slotRange.addEvent({
element: element,
start: startIndex,
end: endIndex,
groupIndex: startSlot.groupIndex
});
element[0].style.width = slotRange.innerWidth() - rightOffset + "px";
element[0].style.left = startSlot.offsetLeft + 2 + "px";
element[0].style.height = eventHeight + "px";
group._continuousEvents.push({
element: element,
uid: element.attr(kendo.attr("uid")),
start: slotRange.start,
end: slotRange.end
});
element.appendTo(this.content);
}
},
});
$(function() {
var scheduler = $("#scheduler").kendoScheduler({
date: new Date("2022/6/13"),
startTime: new Date("2022/6/13 07:00 AM"),
height: 600,
views: [
{ type: "CustomMonthView", selected: true },
"day"
],
timezone: "Etc/UTC",
dataSource: {
batch: true,
transport: {
read: {
url: "https://demos.telerik.com/kendo-ui/service/tasks",
dataType: "jsonp"
},
update: {
url: "https://demos.telerik.com/kendo-ui/service/tasks/update",
dataType: "jsonp"
},
create: {
url: "https://demos.telerik.com/kendo-ui/service/tasks/create",
dataType: "jsonp"
},
destroy: {
url: "https://demos.telerik.com/kendo-ui/service/tasks/destroy",
dataType: "jsonp"
},
parameterMap: function(options, operation) {
if (operation !== "read" && options.models) {
return {
models: kendo.stringify(options.models)
};
}
}
},
schema: {
model: {
id: "taskId",
fields: {
taskId: { from: "TaskID", type: "number" },
title: { from: "Title", defaultValue: "No title", validation: { required: true } },
start: { type: "date", from: "Start" },
end: { type: "date", from: "End" },
startTimezone: { from: "StartTimezone" },
endTimezone: { from: "EndTimezone" },
description: { from: "Description" },
recurrenceId: { from: "RecurrenceID" },
recurrenceRule: { from: "RecurrenceRule" },
recurrenceException: { from: "RecurrenceException" },
ownerId: { from: "OwnerID", defaultValue: 1 },
isAllDay: { type: "boolean", from: "IsAllDay" }
}
}
}
}
}).data("kendoScheduler");
});
</script>