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066babdc DM |
1 | /* |
2 | * ComboGrid component: a ComboBox where the dropdown menu (the | |
3 | * "Picker") is a Grid with Rows and Columns expects a listConfig | |
4 | * object with a columns property roughly based on the GridPicker from | |
5 | * https://www.sencha.com/forum/showthread.php?299909 | |
6 | * | |
7 | */ | |
8 | ||
9 | Ext.define('Proxmox.form.ComboGrid', { | |
10 | extend: 'Ext.form.field.ComboBox', | |
11 | alias: ['widget.proxmoxComboGrid'], | |
12 | ||
13 | // this value is used as default value after load() | |
14 | preferredValue: undefined, | |
15 | ||
16 | // hack: allow to select empty value | |
17 | // seems extjs does not allow that when 'editable == false' | |
18 | onKeyUp: function(e, t) { | |
19 | var me = this; | |
20 | var key = e.getKey(); | |
21 | ||
22 | if (!me.editable && me.allowBlank && !me.multiSelect && | |
23 | (key == e.BACKSPACE || key == e.DELETE)) { | |
24 | me.setValue(''); | |
25 | } | |
26 | ||
27 | me.callParent(arguments); | |
28 | }, | |
29 | ||
227159ec TL |
30 | config: { |
31 | skipEmptyText: false, | |
32 | deleteEmpty: false, | |
33 | }, | |
34 | ||
066babdc DM |
35 | // needed to trigger onKeyUp etc. |
36 | enableKeyEvents: true, | |
37 | ||
3ab80554 DC |
38 | editable: false, |
39 | ||
066babdc DM |
40 | // override ExtJS method |
41 | // if the field has multiSelect enabled, the store is not loaded, and | |
42 | // the displayfield == valuefield, it saves the rawvalue as an array | |
43 | // but the getRawValue method is only defined in the textfield class | |
44 | // (which has not to deal with arrays) an returns the string in the | |
45 | // field (not an array) | |
46 | // | |
47 | // so if we have multiselect enabled, return the rawValue (which | |
48 | // should be an array) and else we do callParent so | |
49 | // it should not impact any other use of the class | |
50 | getRawValue: function() { | |
51 | var me = this; | |
52 | if (me.multiSelect) { | |
53 | return me.rawValue; | |
54 | } else { | |
55 | return me.callParent(); | |
56 | } | |
57 | }, | |
58 | ||
227159ec TL |
59 | getSubmitData: function() { |
60 | var me = this; | |
61 | ||
62 | let data = null; | |
63 | if (!me.disabled && me.submitValue) { | |
64 | let val = me.getSubmitValue(); | |
65 | if (val !== null) { | |
66 | data = {}; | |
67 | data[me.getName()] = val; | |
68 | } else if (me.getDeleteEmpty()) { | |
69 | data = {}; | |
70 | data['delete'] = me.getName(); | |
71 | } | |
72 | } | |
73 | return data; | |
74 | }, | |
75 | ||
76 | getSubmitValue: function() { | |
77 | var me = this; | |
78 | ||
79 | var value = me.callParent(); | |
80 | if (value !== '') { | |
81 | return value; | |
82 | } | |
83 | ||
84 | return me.getSkipEmptyText() ? null: value; | |
85 | }, | |
86 | ||
a8131b5b TL |
87 | setAllowBlank: function(allowBlank) { |
88 | this.allowBlank = allowBlank; | |
89 | this.validate(); | |
90 | }, | |
91 | ||
066babdc DM |
92 | // override ExtJS protected method |
93 | onBindStore: function(store, initial) { | |
94 | var me = this, | |
95 | picker = me.picker, | |
96 | extraKeySpec, | |
97 | valueCollectionConfig; | |
98 | ||
99 | // We're being bound, not unbound... | |
100 | if (store) { | |
101 | // If store was created from a 2 dimensional array with generated field names 'field1' and 'field2' | |
102 | if (store.autoCreated) { | |
103 | me.queryMode = 'local'; | |
104 | me.valueField = me.displayField = 'field1'; | |
105 | if (!store.expanded) { | |
106 | me.displayField = 'field2'; | |
107 | } | |
108 | ||
109 | // displayTpl config will need regenerating with the autogenerated displayField name 'field1' | |
110 | me.setDisplayTpl(null); | |
111 | } | |
112 | if (!Ext.isDefined(me.valueField)) { | |
113 | me.valueField = me.displayField; | |
114 | } | |
115 | ||
116 | // Add a byValue index to the store so that we can efficiently look up records by the value field | |
117 | // when setValue passes string value(s). | |
118 | // The two indices (Ext.util.CollectionKeys) are configured unique: false, so that if duplicate keys | |
119 | // are found, they are all returned by the get call. | |
120 | // This is so that findByText and findByValue are able to return the *FIRST* matching value. By default, | |
121 | // if unique is true, CollectionKey keeps the *last* matching value. | |
122 | extraKeySpec = { | |
123 | byValue: { | |
124 | rootProperty: 'data', | |
125 | unique: false | |
126 | } | |
127 | }; | |
128 | extraKeySpec.byValue.property = me.valueField; | |
129 | store.setExtraKeys(extraKeySpec); | |
130 | ||
131 | if (me.displayField === me.valueField) { | |
132 | store.byText = store.byValue; | |
133 | } else { | |
134 | extraKeySpec.byText = { | |
135 | rootProperty: 'data', | |
136 | unique: false | |
137 | }; | |
138 | extraKeySpec.byText.property = me.displayField; | |
139 | store.setExtraKeys(extraKeySpec); | |
140 | } | |
141 | ||
142 | // We hold a collection of the values which have been selected, keyed by this field's valueField. | |
143 | // This collection also functions as the selected items collection for the BoundList's selection model | |
144 | valueCollectionConfig = { | |
145 | rootProperty: 'data', | |
146 | extraKeys: { | |
147 | byInternalId: { | |
148 | property: 'internalId' | |
149 | }, | |
150 | byValue: { | |
151 | property: me.valueField, | |
152 | rootProperty: 'data' | |
153 | } | |
154 | }, | |
155 | // Whenever this collection is changed by anyone, whether by this field adding to it, | |
156 | // or the BoundList operating, we must refresh our value. | |
157 | listeners: { | |
158 | beginupdate: me.onValueCollectionBeginUpdate, | |
159 | endupdate: me.onValueCollectionEndUpdate, | |
160 | scope: me | |
161 | } | |
162 | }; | |
163 | ||
164 | // This becomes our collection of selected records for the Field. | |
165 | me.valueCollection = new Ext.util.Collection(valueCollectionConfig); | |
166 | ||
167 | // We use the selected Collection as our value collection and the basis | |
168 | // for rendering the tag list. | |
169 | ||
170 | //proxmox override: since the picker is represented by a grid panel, | |
171 | // we changed here the selection to RowModel | |
172 | me.pickerSelectionModel = new Ext.selection.RowModel({ | |
173 | mode: me.multiSelect ? 'SIMPLE' : 'SINGLE', | |
174 | // There are situations when a row is selected on mousedown but then the mouse is dragged to another row | |
175 | // and released. In these situations, the event target for the click event won't be the row where the mouse | |
176 | // was released but the boundview. The view will then determine that it should fire a container click, and | |
177 | // the DataViewModel will then deselect all prior selections. Setting `deselectOnContainerClick` here will | |
178 | // prevent the model from deselecting. | |
179 | deselectOnContainerClick: false, | |
180 | enableInitialSelection: false, | |
181 | pruneRemoved: false, | |
182 | selected: me.valueCollection, | |
183 | store: store, | |
184 | listeners: { | |
185 | scope: me, | |
186 | lastselectedchanged: me.updateBindSelection | |
187 | } | |
188 | }); | |
189 | ||
190 | if (!initial) { | |
191 | me.resetToDefault(); | |
192 | } | |
193 | ||
194 | if (picker) { | |
195 | picker.setSelectionModel(me.pickerSelectionModel); | |
196 | if (picker.getStore() !== store) { | |
197 | picker.bindStore(store); | |
198 | } | |
199 | } | |
200 | } | |
201 | }, | |
202 | ||
203 | // copied from ComboBox | |
204 | createPicker: function() { | |
205 | var me = this; | |
206 | var picker; | |
207 | ||
208 | var pickerCfg = Ext.apply({ | |
209 | // proxmox overrides: display a grid for selection | |
210 | xtype: 'gridpanel', | |
211 | id: me.pickerId, | |
212 | pickerField: me, | |
213 | floating: true, | |
214 | hidden: true, | |
215 | store: me.store, | |
216 | displayField: me.displayField, | |
217 | preserveScrollOnRefresh: true, | |
218 | pageSize: me.pageSize, | |
219 | tpl: me.tpl, | |
220 | selModel: me.pickerSelectionModel, | |
221 | focusOnToFront: false | |
222 | }, me.listConfig, me.defaultListConfig); | |
223 | ||
224 | picker = me.picker || Ext.widget(pickerCfg); | |
225 | ||
226 | if (picker.getStore() !== me.store) { | |
227 | picker.bindStore(me.store); | |
228 | } | |
229 | ||
230 | if (me.pageSize) { | |
231 | picker.pagingToolbar.on('beforechange', me.onPageChange, me); | |
232 | } | |
233 | ||
234 | // proxmox overrides: pass missing method in gridPanel to its view | |
235 | picker.refresh = function() { | |
236 | picker.getSelectionModel().select(me.valueCollection.getRange()); | |
237 | picker.getView().refresh(); | |
238 | }; | |
239 | picker.getNodeByRecord = function() { | |
240 | picker.getView().getNodeByRecord(arguments); | |
241 | }; | |
242 | ||
243 | // We limit the height of the picker to fit in the space above | |
244 | // or below this field unless the picker has its own ideas about that. | |
245 | if (!picker.initialConfig.maxHeight) { | |
246 | picker.on({ | |
247 | beforeshow: me.onBeforePickerShow, | |
248 | scope: me | |
249 | }); | |
250 | } | |
251 | picker.getSelectionModel().on({ | |
252 | beforeselect: me.onBeforeSelect, | |
253 | beforedeselect: me.onBeforeDeselect, | |
254 | focuschange: me.onFocusChange, | |
255 | selectionChange: function (sm, selectedRecords) { | |
256 | var me = this; | |
257 | if (selectedRecords.length) { | |
258 | me.setValue(selectedRecords); | |
259 | me.fireEvent('select', me, selectedRecords); | |
260 | } | |
261 | }, | |
262 | scope: me | |
263 | }); | |
264 | ||
265 | // hack for extjs6 | |
266 | // when the clicked item is the same as the previously selected, | |
267 | // it does not select the item | |
268 | // instead we hide the picker | |
269 | if (!me.multiSelect) { | |
270 | picker.on('itemclick', function (sm,record) { | |
271 | if (picker.getSelection()[0] === record) { | |
272 | picker.hide(); | |
273 | } | |
274 | }); | |
275 | } | |
276 | ||
277 | // when our store is not yet loaded, we increase | |
278 | // the height of the gridpanel, so that we can see | |
279 | // the loading mask | |
280 | // | |
281 | // we save the minheight to reset it after the load | |
282 | picker.on('show', function() { | |
283 | if (me.enableLoadMask) { | |
284 | me.savedMinHeight = picker.getMinHeight(); | |
285 | picker.setMinHeight(100); | |
286 | } | |
287 | }); | |
288 | ||
289 | picker.getNavigationModel().navigateOnSpace = false; | |
290 | ||
291 | return picker; | |
292 | }, | |
293 | ||
294 | initComponent: function() { | |
295 | var me = this; | |
296 | ||
066babdc DM |
297 | Ext.apply(me, { |
298 | queryMode: 'local', | |
299 | matchFieldWidth: false | |
300 | }); | |
301 | ||
302 | Ext.applyIf(me, { value: ''}); // hack: avoid ExtJS validate() bug | |
303 | ||
304 | Ext.applyIf(me.listConfig, { width: 400 }); | |
305 | ||
306 | me.callParent(); | |
307 | ||
308 | // Create the picker at an early stage, so it is available to store the previous selection | |
309 | if (!me.picker) { | |
310 | me.createPicker(); | |
311 | } | |
312 | ||
39d99149 DC |
313 | if (me.editable) { |
314 | // The trigger.picker causes first a focus event on the field then | |
315 | // toggles the selection picker. Thus skip expanding in this case, | |
316 | // else our focus listner expands and the picker.trigger then | |
317 | // collapses it directly afterwards. | |
318 | Ext.override(me.triggers.picker, { | |
319 | onMouseDown : function (e) { | |
320 | // copied "should we focus" check from Ext.form.trigger.Trigger | |
321 | if (e.pointerType !== 'touch' && !this.field.owns(Ext.Element.getActiveElement())) { | |
322 | me.skip_expand_on_focus = true; | |
323 | } | |
324 | this.callParent(arguments); | |
325 | } | |
326 | }); | |
327 | ||
328 | me.on("focus", function(me) { | |
329 | if (!me.isExpanded && !me.skip_expand_on_focus) { | |
330 | me.expand(); | |
331 | } | |
332 | me.skip_expand_on_focus = false; | |
333 | }); | |
334 | } | |
335 | ||
066babdc DM |
336 | me.mon(me.store, 'beforeload', function() { |
337 | if (!me.isDisabled()) { | |
338 | me.enableLoadMask = true; | |
339 | } | |
340 | }); | |
341 | ||
342 | // hack: autoSelect does not work | |
343 | me.mon(me.store, 'load', function(store, r, success, o) { | |
344 | if (success) { | |
345 | me.clearInvalid(); | |
346 | ||
347 | if (me.enableLoadMask) { | |
348 | delete me.enableLoadMask; | |
349 | ||
350 | // if the picker exists, | |
351 | // we reset its minheight to the saved var/0 | |
352 | // we have to update the layout, otherwise the height | |
353 | // gets not recalculated | |
354 | if (me.picker) { | |
355 | me.picker.setMinHeight(me.savedMinHeight || 0); | |
356 | delete me.savedMinHeight; | |
357 | me.picker.updateLayout(); | |
358 | } | |
359 | } | |
360 | ||
361 | var def = me.getValue() || me.preferredValue; | |
362 | if (def) { | |
363 | me.setValue(def, true); // sync with grid | |
364 | } | |
365 | var found = false; | |
366 | if (def) { | |
367 | if (Ext.isArray(def)) { | |
368 | Ext.Array.each(def, function(v) { | |
369 | if (store.findRecord(me.valueField, v)) { | |
370 | found = true; | |
371 | return false; // break | |
372 | } | |
373 | }); | |
374 | } else { | |
375 | found = store.findRecord(me.valueField, def); | |
376 | } | |
377 | } | |
378 | ||
379 | if (!found) { | |
380 | var rec = me.store.first(); | |
381 | if (me.autoSelect && rec && rec.data) { | |
382 | def = rec.data[me.valueField]; | |
383 | me.setValue(def, true); | |
384 | } else { | |
385 | me.setValue(me.editable ? def : '', true); | |
386 | } | |
387 | } | |
388 | } | |
389 | }); | |
390 | } | |
391 | }); |