kendo.listview.js
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/**
* Kendo UI v2016.1.112 (http://www.telerik.com/kendo-ui)
* Copyright 2016 Telerik AD. All rights reserved.
*
* Kendo UI commercial licenses may be obtained at
* http://www.telerik.com/purchase/license-agreement/kendo-ui-complete
* If you do not own a commercial license, this file shall be governed by the trial license terms.
*/
(function (f, define) {
define('kendo.listview', [
'kendo.data',
'kendo.editable',
'kendo.selectable'
], f);
}(function () {
var __meta__ = {
id: 'listview',
name: 'ListView',
category: 'web',
description: 'The ListView widget offers rich support for interacting with data.',
depends: ['data'],
features: [
{
id: 'listview-editing',
name: 'Editing',
description: 'Support for record editing',
depends: ['editable']
},
{
id: 'listview-selection',
name: 'Selection',
description: 'Support for selection',
depends: ['selectable']
}
]
};
(function ($, undefined) {
var kendo = window.kendo, CHANGE = 'change', CANCEL = 'cancel', DATABOUND = 'dataBound', DATABINDING = 'dataBinding', Widget = kendo.ui.Widget, keys = kendo.keys, FOCUSSELECTOR = '>*:not(.k-loading-mask)', PROGRESS = 'progress', ERROR = 'error', FOCUSED = 'k-state-focused', SELECTED = 'k-state-selected', KEDITITEM = 'k-edit-item', EDIT = 'edit', REMOVE = 'remove', SAVE = 'save', CLICK = 'click', NS = '.kendoListView', proxy = $.proxy, activeElement = kendo._activeElement, progress = kendo.ui.progress, DataSource = kendo.data.DataSource;
var ListView = kendo.ui.DataBoundWidget.extend({
init: function (element, options) {
var that = this;
options = $.isArray(options) ? { dataSource: options } : options;
Widget.fn.init.call(that, element, options);
options = that.options;
that.wrapper = element = that.element;
if (element[0].id) {
that._itemId = element[0].id + '_lv_active';
}
that._element();
that._dataSource();
that._templates();
that._navigatable();
that._selectable();
that._pageable();
that._crudHandlers();
if (that.options.autoBind) {
that.dataSource.fetch();
}
kendo.notify(that);
},
events: [
CHANGE,
CANCEL,
DATABINDING,
DATABOUND,
EDIT,
REMOVE,
SAVE
],
options: {
name: 'ListView',
autoBind: true,
selectable: false,
navigatable: false,
template: '',
altTemplate: '',
editTemplate: ''
},
setOptions: function (options) {
Widget.fn.setOptions.call(this, options);
this._templates();
if (this.selectable) {
this.selectable.destroy();
this.selectable = null;
}
this._selectable();
},
_templates: function () {
var options = this.options;
this.template = kendo.template(options.template || '');
this.altTemplate = kendo.template(options.altTemplate || options.template);
this.editTemplate = kendo.template(options.editTemplate || '');
},
_item: function (action) {
return this.element.children()[action]();
},
items: function () {
return this.element.children();
},
dataItem: function (element) {
var attr = kendo.attr('uid');
var uid = $(element).closest('[' + attr + ']').attr(attr);
return this.dataSource.getByUid(uid);
},
setDataSource: function (dataSource) {
this.options.dataSource = dataSource;
this._dataSource();
if (this.options.autoBind) {
dataSource.fetch();
}
},
_unbindDataSource: function () {
var that = this;
that.dataSource.unbind(CHANGE, that._refreshHandler).unbind(PROGRESS, that._progressHandler).unbind(ERROR, that._errorHandler);
},
_dataSource: function () {
var that = this;
if (that.dataSource && that._refreshHandler) {
that._unbindDataSource();
} else {
that._refreshHandler = proxy(that.refresh, that);
that._progressHandler = proxy(that._progress, that);
that._errorHandler = proxy(that._error, that);
}
that.dataSource = DataSource.create(that.options.dataSource).bind(CHANGE, that._refreshHandler).bind(PROGRESS, that._progressHandler).bind(ERROR, that._errorHandler);
},
_progress: function () {
progress(this.element, true);
},
_error: function () {
progress(this.element, false);
},
_element: function () {
this.element.addClass('k-widget k-listview').attr('role', 'listbox');
},
refresh: function (e) {
var that = this, view = that.dataSource.view(), data, items, item, html = '', idx, length, template = that.template, altTemplate = that.altTemplate, active = activeElement();
e = e || {};
if (e.action === 'itemchange') {
if (!that._hasBindingTarget() && !that.editable) {
data = e.items[0];
item = that.items().filter('[' + kendo.attr('uid') + '=' + data.uid + ']');
if (item.length > 0) {
idx = item.index();
that.angular('cleanup', function () {
return { elements: [item] };
});
item.replaceWith(template(data));
item = that.items().eq(idx);
item.attr(kendo.attr('uid'), data.uid);
that.angular('compile', function () {
return {
elements: [item],
data: [{ dataItem: data }]
};
});
that.trigger('itemChange', {
item: item,
data: data
});
}
}
return;
}
if (that.trigger(DATABINDING, {
action: e.action || 'rebind',
items: e.items,
index: e.index
})) {
return;
}
that._angularItems('cleanup');
that._destroyEditable();
for (idx = 0, length = view.length; idx < length; idx++) {
if (idx % 2) {
html += altTemplate(view[idx]);
} else {
html += template(view[idx]);
}
}
that.element.html(html);
items = that.items();
for (idx = 0, length = view.length; idx < length; idx++) {
items.eq(idx).attr(kendo.attr('uid'), view[idx].uid).attr('role', 'option').attr('aria-selected', 'false');
}
if (that.element[0] === active && that.options.navigatable) {
that.current(items.eq(0));
}
that._angularItems('compile');
that.trigger(DATABOUND);
},
_pageable: function () {
var that = this, pageable = that.options.pageable, settings, pagerId;
if ($.isPlainObject(pageable)) {
pagerId = pageable.pagerId;
settings = $.extend({}, pageable, {
dataSource: that.dataSource,
pagerId: null
});
that.pager = new kendo.ui.Pager($('#' + pagerId), settings);
}
},
_selectable: function () {
var that = this, multi, current, selectable = that.options.selectable, navigatable = that.options.navigatable;
if (selectable) {
multi = kendo.ui.Selectable.parseOptions(selectable).multiple;
that.selectable = new kendo.ui.Selectable(that.element, {
aria: true,
multiple: multi,
filter: FOCUSSELECTOR,
change: function () {
that.trigger(CHANGE);
}
});
if (navigatable) {
that.element.on('keydown' + NS, function (e) {
if (e.keyCode === keys.SPACEBAR) {
current = that.current();
if (e.target == e.currentTarget) {
e.preventDefault();
}
if (multi) {
if (!e.ctrlKey) {
that.selectable.clear();
} else {
if (current && current.hasClass(SELECTED)) {
current.removeClass(SELECTED);
return;
}
}
} else {
that.selectable.clear();
}
that.selectable.value(current);
}
});
}
}
},
current: function (candidate) {
var that = this, element = that.element, current = that._current, id = that._itemId;
if (candidate === undefined) {
return current;
}
if (current && current[0]) {
if (current[0].id === id) {
current.removeAttr('id');
}
current.removeClass(FOCUSED);
element.removeAttr('aria-activedescendant');
}
if (candidate && candidate[0]) {
id = candidate[0].id || id;
that._scrollTo(candidate[0]);
element.attr('aria-activedescendant', id);
candidate.addClass(FOCUSED).attr('id', id);
}
that._current = candidate;
},
_scrollTo: function (element) {
var that = this, container, UseJQueryoffset = false, SCROLL = 'scroll';
if (that.wrapper.css('overflow') == 'auto' || that.wrapper.css('overflow') == SCROLL) {
container = that.wrapper[0];
} else {
container = window;
UseJQueryoffset = true;
}
var scrollDirectionFunc = function (direction, dimension) {
var elementOffset = UseJQueryoffset ? $(element).offset()[direction.toLowerCase()] : element['offset' + direction], elementDimension = element['client' + dimension], containerScrollAmount = $(container)[SCROLL + direction](), containerDimension = $(container)[dimension.toLowerCase()]();
if (elementOffset + elementDimension > containerScrollAmount + containerDimension) {
$(container)[SCROLL + direction](elementOffset + elementDimension - containerDimension);
} else if (elementOffset < containerScrollAmount) {
$(container)[SCROLL + direction](elementOffset);
}
};
scrollDirectionFunc('Top', 'Height');
scrollDirectionFunc('Left', 'Width');
},
_navigatable: function () {
var that = this, navigatable = that.options.navigatable, element = that.element, clickCallback = function (e) {
that.current($(e.currentTarget));
if (!$(e.target).is(':button,a,:input,a>.k-icon,textarea')) {
element.focus();
}
};
if (navigatable) {
that._tabindex();
element.on('focus' + NS, function () {
var current = that._current;
if (!current || !current.is(':visible')) {
current = that._item('first');
}
that.current(current);
}).on('focusout' + NS, function () {
if (that._current) {
that._current.removeClass(FOCUSED);
}
}).on('keydown' + NS, function (e) {
var key = e.keyCode, current = that.current(), target = $(e.target), canHandle = !target.is(':button,textarea,a,a>.t-icon,input'), isTextBox = target.is(':text,:password'), preventDefault = kendo.preventDefault, editItem = element.find('.' + KEDITITEM), active = activeElement(), idx;
if (!canHandle && !isTextBox && keys.ESC != key || isTextBox && keys.ESC != key && keys.ENTER != key) {
return;
}
if (keys.UP === key || keys.LEFT === key) {
if (current) {
current = current.prev();
}
that.current(!current || !current[0] ? that._item('last') : current);
preventDefault(e);
} else if (keys.DOWN === key || keys.RIGHT === key) {
if (current) {
current = current.next();
}
that.current(!current || !current[0] ? that._item('first') : current);
preventDefault(e);
} else if (keys.PAGEUP === key) {
that.current(null);
that.dataSource.page(that.dataSource.page() - 1);
preventDefault(e);
} else if (keys.PAGEDOWN === key) {
that.current(null);
that.dataSource.page(that.dataSource.page() + 1);
preventDefault(e);
} else if (keys.HOME === key) {
that.current(that._item('first'));
preventDefault(e);
} else if (keys.END === key) {
that.current(that._item('last'));
preventDefault(e);
} else if (keys.ENTER === key) {
if (editItem.length !== 0 && (canHandle || isTextBox)) {
idx = that.items().index(editItem);
if (active) {
active.blur();
}
that.save();
var focusAgain = function () {
that.element.trigger('focus');
that.current(that.items().eq(idx));
};
that.one('dataBound', focusAgain);
} else if (that.options.editTemplate !== '') {
that.edit(current);
}
} else if (keys.ESC === key) {
editItem = element.find('.' + KEDITITEM);
if (editItem.length === 0) {
return;
}
idx = that.items().index(editItem);
that.cancel();
that.element.trigger('focus');
that.current(that.items().eq(idx));
}
});
element.on('mousedown' + NS + ' touchstart' + NS, FOCUSSELECTOR, proxy(clickCallback, that));
}
},
clearSelection: function () {
var that = this;
that.selectable.clear();
that.trigger(CHANGE);
},
select: function (items) {
var that = this, selectable = that.selectable;
items = $(items);
if (items.length) {
if (!selectable.options.multiple) {
selectable.clear();
items = items.first();
}
selectable.value(items);
return;
}
return selectable.value();
},
_destroyEditable: function () {
var that = this;
if (that.editable) {
that.editable.destroy();
delete that.editable;
}
},
_modelFromElement: function (element) {
var uid = element.attr(kendo.attr('uid'));
return this.dataSource.getByUid(uid);
},
_closeEditable: function () {
var that = this, editable = that.editable, data, item, index, template = that.template;
if (editable) {
if (editable.element.index() % 2) {
template = that.altTemplate;
}
that.angular('cleanup', function () {
return { elements: [editable.element] };
});
data = that._modelFromElement(editable.element);
that._destroyEditable();
index = editable.element.index();
editable.element.replaceWith(template(data));
item = that.items().eq(index);
item.attr(kendo.attr('uid'), data.uid);
if (that._hasBindingTarget()) {
kendo.bind(item, data);
}
that.angular('compile', function () {
return {
elements: [item],
data: [{ dataItem: data }]
};
});
}
return true;
},
edit: function (item) {
var that = this, data = that._modelFromElement(item), container, uid = data.uid, index;
that.cancel();
item = that.items().filter('[' + kendo.attr('uid') + '=' + uid + ']');
index = item.index();
item.replaceWith(that.editTemplate(data));
container = that.items().eq(index).addClass(KEDITITEM).attr(kendo.attr('uid'), data.uid);
that.editable = container.kendoEditable({
model: data,
clearContainer: false,
errorTemplate: false,
target: that
}).data('kendoEditable');
that.trigger(EDIT, {
model: data,
item: container
});
},
save: function () {
var that = this, editable = that.editable, model;
if (!editable) {
return;
}
var container = editable.element;
model = that._modelFromElement(container);
if (editable.end() && !that.trigger(SAVE, {
model: model,
item: container
})) {
that._closeEditable();
that.dataSource.sync();
}
},
remove: function (item) {
var that = this, dataSource = that.dataSource, data = that._modelFromElement(item);
if (that.editable) {
dataSource.cancelChanges(that._modelFromElement(that.editable.element));
that._closeEditable();
}
if (!that.trigger(REMOVE, {
model: data,
item: item
})) {
item.hide();
dataSource.remove(data);
dataSource.sync();
}
},
add: function () {
var that = this, dataItem, dataSource = that.dataSource, index = dataSource.indexOf((dataSource.view() || [])[0]);
if (index < 0) {
index = 0;
}
that.cancel();
dataItem = dataSource.insert(index, {});
that.edit(that.element.find('[data-uid=\'' + dataItem.uid + '\']'));
},
cancel: function () {
var that = this, dataSource = that.dataSource;
if (that.editable) {
var container = that.editable.element;
var model = that._modelFromElement(container);
if (!that.trigger(CANCEL, {
model: model,
container: container
})) {
dataSource.cancelChanges(model);
that._closeEditable();
}
}
},
_crudHandlers: function () {
var that = this, clickNS = CLICK + NS;
that.element.on(clickNS, '.k-edit-button', function (e) {
var item = $(this).closest('[' + kendo.attr('uid') + ']');
that.edit(item);
e.preventDefault();
});
that.element.on(clickNS, '.k-delete-button', function (e) {
var item = $(this).closest('[' + kendo.attr('uid') + ']');
that.remove(item);
e.preventDefault();
});
that.element.on(clickNS, '.k-update-button', function (e) {
that.save();
e.preventDefault();
});
that.element.on(clickNS, '.k-cancel-button', function (e) {
that.cancel();
e.preventDefault();
});
},
destroy: function () {
var that = this;
Widget.fn.destroy.call(that);
that._unbindDataSource();
that._destroyEditable();
that.element.off(NS);
if (that.pager) {
that.pager.destroy();
}
kendo.destroy(that.element);
}
});
kendo.ui.plugin(ListView);
}(window.kendo.jQuery));
return window.kendo;
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));