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Add custom Month view with event count in show more button demo
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@vladimirivanoviliev
vladimirivanoviliev committed Oct 20, 2015
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---
title: Create custom Month view with event count in show more button
page_title: Create custom Month view with event count in show more button
description: Create custom Month view with event count in show more button
---

# Create custom Month view with event count in show more button

The example below demonstrates how to inherit the built-in Month view and implement showing the hidden events count when the "show more" button is rendered.

#### Example:

```html
<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"><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"
},
name: "CustomMonthView",
_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("2013/6/13"),
startTime: new Date("2013/6/13 07:00 AM"),
height: 600,
views: [{
type: "CustomMonthView"
},
"day"
],
timezone: "Etc/UTC",
dataSource: {
batch: true,
transport: {
read: {
url: "http://demos.telerik.com/kendo-ui/service/tasks",
dataType: "jsonp"
},
update: {
url: "http://demos.telerik.com/kendo-ui/service/tasks/update",
dataType: "jsonp"
},
create: {
url: "http://demos.telerik.com/kendo-ui/service/tasks/create",
dataType: "jsonp"
},
destroy: {
url: "http://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"
}
}
}
},
filter: {
logic: "or",
filters: [{
field: "ownerId",
operator: "eq",
value: 1
}, {
field: "ownerId",
operator: "eq",
value: 2
}]
}
},
resources: [{
field: "ownerId",
title: "Owner",
dataSource: [{
text: "Alex",
value: 1,
color: "#f8a398"
}, {
text: "Bob",
value: 2,
color: "#51a0ed"
}, {
text: "Charlie",
value: 3,
color: "#56ca85"
}]
}]
}).data("kendoScheduler");
$("#days").change(function() {
//change the number of days option of the view
scheduler.setOptions({
numberOfDays: parseInt($(this).val())
});
//reload the view
scheduler.view(scheduler.view().name);
});
});
</script>
```

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