devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (ui/pivot_grid/ui.pivot_grid.field_chooser_base.js)
* Version: 18.1.3
* Build date: Tue May 15 2018
*
* Copyright (c) 2012 - 2018 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
var $ = require("../../core/renderer"),
eventsEngine = require("../../events/core/events_engine"),
ArrayStore = require("../../data/array_store"),
clickEvent = require("../../events/click"),
noop = require("../../core/utils/common").noop,
isDefined = require("../../core/utils/type").isDefined,
inArray = require("../../core/utils/array").inArray,
extend = require("../../core/utils/extend").extend,
iteratorUtils = require("../../core/utils/iterator"),
messageLocalization = require("../../localization/message"),
registerComponent = require("../../core/component_registrator"),
Widget = require("../widget/ui.widget"),
headerFilter = require("../grid_core/ui.grid_core.header_filter_core"),
columnStateMixin = require("../grid_core/ui.grid_core.column_state_mixin"),
sortingMixin = require("../grid_core/ui.grid_core.sorting_mixin"),
pivotGridUtils = require("./ui.pivot_grid.utils"),
Sortable = require("./ui.sortable"),
Deferred = require("../../core/utils/deferred").Deferred,
inArray = inArray,
each = iteratorUtils.each,
IE_FIELD_WIDTH_CORRECTION = 1,
DIV = "<div>";
var HeaderFilterView = headerFilter.HeaderFilterView.inherit({
_getSearchExpr: function(options) {
options.useDefaultSearchExpr = true;
return this.callBase(options)
}
});
var processItems = function(groupItems, field) {
var filterValues = [],
isTree = !!field.groupName,
isExcludeFilterType = "exclude" === field.filterType;
if (field.filterValues) {
each(field.filterValues, function(_, filterValue) {
filterValues.push(Array.isArray(filterValue) ? filterValue.join("/") : filterValue && filterValue.valueOf())
})
}
pivotGridUtils.foreachTree(groupItems, function(items) {
var preparedFilterValue, item = items[0],
path = pivotGridUtils.createPath(items),
preparedFilterValueByText = isTree ? iteratorUtils.map(items, function(item) {
return item.text
}).reverse().join("/") : item.text;
item.value = isTree ? path.slice(0) : item.key || item.value;
preparedFilterValue = isTree ? path.join("/") : item.value && item.value.valueOf();
if (item.children) {
item.items = item.children;
item.children = null
}
headerFilter.updateHeaderFilterItemSelectionState(item, item.key && inArray(preparedFilterValueByText, filterValues) > -1 || inArray(preparedFilterValue, filterValues) > -1, isExcludeFilterType)
})
};
function getMainGroupField(dataSource, sourceField) {
var field = sourceField;
if (isDefined(sourceField.groupIndex)) {
field = dataSource.getAreaFields(sourceField.area, true)[sourceField.areaIndex]
}
return field
}
function getStringState(state) {
return JSON.stringify([state.fields, state.columnExpandedPaths, state.rowExpandedPaths])
}
var FieldChooserBase = Widget.inherit(columnStateMixin).inherit(sortingMixin).inherit(headerFilter.headerFilterMixin).inherit({
_getDefaultOptions: function() {
return extend(this.callBase(), {
allowFieldDragging: true,
applyChangesMode: "instantly",
state: null,
headerFilter: {
width: 252,
height: 325,
texts: {
emptyValue: messageLocalization.format("dxDataGrid-headerFilterEmptyValue"),
ok: messageLocalization.format("dxDataGrid-headerFilterOK"),
cancel: messageLocalization.format("dxDataGrid-headerFilterCancel")
}
}
})
},
_init: function() {
this.callBase();
this._headerFilterView = new HeaderFilterView(this);
this._refreshDataSource();
this.subscribeToEvents()
},
_refreshDataSource: function() {
var dataSource = this.option("dataSource");
if (dataSource && dataSource.fields && dataSource.load) {
this._dataSource = dataSource
}
},
_optionChanged: function(args) {
switch (args.name) {
case "dataSource":
this._refreshDataSource();
break;
case "applyChangesMode":
break;
case "state":
if (this._skipStateChange || !this._dataSource) {
break
}
if (getStringState(this._dataSource.state()) === getStringState(args.value)) {
this._clean(true);
this._renderComponent()
} else {
this._dataSource.state(args.value)
}
break;
case "headerFilter":
case "allowFieldDragging":
this._invalidate();
break;
default:
this.callBase(args)
}
},
renderField: function(field, showColumnLines) {
var that = this,
$fieldContent = $(DIV).addClass("dx-area-field-content").text(field.caption || field.dataField),
$fieldElement = $(DIV).addClass("dx-area-field").addClass("dx-area-box").data("field", field).append($fieldContent),
mainGroupField = getMainGroupField(that._dataSource, field);
if ("data" !== field.area) {
if (field.allowSorting) {
that._applyColumnState({
name: "sort",
rootElement: $fieldElement,
column: {
alignment: that.option("rtlEnabled") ? "right" : "left",
sortOrder: "desc" === field.sortOrder ? "desc" : "asc"
},
showColumnLines: showColumnLines
})
}
that._applyColumnState({
name: "headerFilter",
rootElement: $fieldElement,
column: {
alignment: that.option("rtlEnabled") ? "right" : "left",
filterValues: mainGroupField.filterValues,
allowFiltering: mainGroupField.allowFiltering && !field.groupIndex
},
showColumnLines: showColumnLines
})
}
if (field.groupName) {
$fieldElement.attr("item-group", field.groupName)
}
return $fieldElement
},
_clean: function() {},
_render: function() {
this.callBase();
this._headerFilterView.render(this.$element())
},
renderSortable: function() {
var that = this;
that._createComponent(that.$element(), Sortable, extend({
allowDragging: that.option("allowFieldDragging"),
itemSelector: ".dx-area-field",
itemContainerSelector: ".dx-area-field-container",
groupSelector: ".dx-area-fields",
groupFilter: function() {
var dataSource = that._dataSource,
$sortable = $(this).closest(".dx-sortable"),
pivotGrid = $sortable.data("dxPivotGrid"),
pivotGridFieldChooser = $sortable.data("dxPivotGridFieldChooser");
if (pivotGrid) {
return pivotGrid.getDataSource() === dataSource
}
if (pivotGridFieldChooser) {
return pivotGridFieldChooser.option("dataSource") === dataSource
}
return false
},
itemRender: function($sourceItem, target) {
var $item;
if ($sourceItem.hasClass("dx-area-box")) {
$item = $sourceItem.clone();
if ("drag" === target) {
each($sourceItem, function(index, sourceItem) {
$item.eq(index).css("width", parseInt($(sourceItem).outerWidth(), 10) + IE_FIELD_WIDTH_CORRECTION)
})
}
} else {
$item = $(DIV).addClass("dx-area-field").addClass("dx-area-box").text($sourceItem.text())
}
if ("drag" === target) {
var wrapperContainer = $(DIV);
each($item, function(_, item) {
var wrapper = $("<div>").addClass("dx-pivotgrid-fields-container").addClass("dx-widget").append($(item));
wrapperContainer.append(wrapper)
});
return wrapperContainer.children()
}
return $item
},
onDragging: function(e) {
var field = e.sourceElement.data("field"),
targetGroup = e.targetGroup;
e.cancel = false;
if (true === field.isMeasure) {
if ("column" === targetGroup || "row" === targetGroup || "filter" === targetGroup) {
e.cancel = true
}
} else {
if (false === field.isMeasure && "data" === targetGroup) {
e.cancel = true
}
}
},
useIndicator: true,
onChanged: function(e) {
var dataSource = that._dataSource,
field = e.sourceElement.data("field");
e.removeSourceElement = !!e.sourceGroup;
that._adjustSortableOnChangedArgs(e);
if (field) {
that._applyChanges([getMainGroupField(dataSource, field)], {
area: e.targetGroup,
areaIndex: e.targetIndex
})
}
}
}, that._getSortableOptions()))
},
_applyChanges: function(fields, props) {
var _this = this;
var dataSource = this._dataSource;
if ("instantly" === this.option("applyChangesMode")) {
fields.forEach(function(_ref) {
var index = _ref.index;
dataSource.field(index, props)
});
dataSource.load()
} else {
fields.forEach(function(_ref2) {
var index = _ref2.index;
_this._changeState(index, props)
})
}
},
_changeState: function(fieldIndex, props) {
var that = this,
dataSource = that._dataSource,
startState = dataSource.state(),
state = that.option("state") || startState;
dataSource.state(state, true);
dataSource.field(fieldIndex, props);
that.option("state", dataSource.state());
that._clean(true);
that._renderComponent();
dataSource.state(startState, true)
},
_adjustSortableOnChangedArgs: function(e) {
e.removeSourceElement = false;
e.removeTargetElement = true;
e.removeSourceClass = false
},
_getSortableOptions: function() {
return {
direction: "auto"
}
},
subscribeToEvents: function(element) {
var that = this,
func = function(e) {
var field = $(e.currentTarget).data("field"),
mainGroupField = extend(true, {}, getMainGroupField(that._dataSource, field)),
isHeaderFilter = $(e.target).hasClass("dx-header-filter"),
dataSource = that._dataSource;
if (isHeaderFilter) {
that._headerFilterView.showHeaderFilterMenu($(e.currentTarget), extend(mainGroupField, {
type: mainGroupField.groupName ? "tree" : "list",
encodeHtml: that.option("encodeHtml"),
dataSource: {
useDefaultSearch: true,
load: function(options) {
var userData = options.userData;
if (userData.store) {
return userData.store.load(options)
} else {
var d = new Deferred;
dataSource.getFieldValues(mainGroupField.index).done(function(data) {
userData.store = new ArrayStore(data);
userData.store.load(options).done(d.resolve).fail(d.reject)
}).fail(d.reject);
return d
}
},
postProcess: function(data) {
processItems(data, mainGroupField);
return data
}
},
apply: function() {
that._applyChanges([mainGroupField], {
filterValues: this.filterValues,
filterType: this.filterType
})
}
}))
} else {
if (field.allowSorting && "data" !== field.area) {
that._applyChanges([field], {
sortOrder: "desc" === field.sortOrder ? "asc" : "desc"
})
}
}
};
if (element) {
eventsEngine.on(element, clickEvent.name, ".dx-area-field.dx-area-box", func);
return
}
eventsEngine.on(that.$element(), clickEvent.name, ".dx-area-field.dx-area-box", func)
},
_initTemplates: noop,
addWidgetPrefix: function(className) {
return "dx-pivotgrid-" + className
}
});
registerComponent("dxPivotGridFieldChooserBase", FieldChooserBase);
module.exports = FieldChooserBase;