forked from SitePen/dgrid
-
Notifications
You must be signed in to change notification settings - Fork 2
/
Editor.js
188 lines (180 loc) · 6.34 KB
/
Editor.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
define(["dojo/on", "dojo/has", "dojo/_base/lang", "put-selector/put", "dojo/_base/sniff"], function(on, has, lang, put){
return function(column, editor, editOn){
// summary:
// Adds editing capability to a column's cells.
var originalRenderCell = column.renderCell || function(object, value, td){
if(value != null){
td.appendChild(document.createTextNode(value));
}
};
// accept arguments as parameters to Editor function, or from column def
column.editor = editor = editor || column.editor;
column.editOn = editOn = editOn || column.editOn;
var grid;
function onchange(event){
// event handler triggered on change of common input elements
var target = event.target;
if("lastValue" in target && target.className.indexOf("dgrid-input") > -1){
target.lastValue = setProperty(target.parentNode, target.lastValue,
target[target.type == "checkbox" || target.type == "radio" ? "checked" : "value"]);
}
}
var renderWidget = typeof editor == "string" ?
function(value, cell, object, onblur){
// when editor is a string, we use a common <input> as the editor
var input = cell.input || (cell.input = put(cell, "input[type=" + editor + "].dgrid-input", {
name: column.field || this.id + "-selection",
tabIndex: isNaN(column.tabIndex) ? -1 : column.tabIndex
}));
input.value = value || "";
input.checked = value;
input.lastValue = value;
if(!grid._hasInputListener){
// register one listener at the top level that receives events delegated
grid._hasInputListener = true;
grid.on("change", onchange);
}
if(has("ie") < 9){
// IE<9 doesn't fire change events for all the right things,
// and it doesn't bubble, double fail.
if(cell.input.type == "radio" || cell.input.type == "checkbox"){
// listen for clicks because IE doesn't fire change events properly for checks/radios
on(input, "click", onchange);
}else{
on(input, "change", onchange);
}
}
if(onblur){
// editor is not always-on (i.e. editOn was specified)
var signal, stopper;
input.focus();
if(editOn){
// don't allow event to confuse grid when editor is already active
stopper = on(input, editOn, function(evt){
evt.stopPropagation();
});
}
signal = on(input, "blur", function(){
// unhook and delete the input now
signal.remove();
stopper && stopper.remove();
put(input, "!");
cell.input = null;
onblur(input.lastValue);
});
}
return input;
} :
function(data, cell, object, onblur){
// using a widget as the editor.
var
// widgetArgs can be either a hash or a function returning a hash
args = typeof column.widgetArgs == "function" ?
lang.hitch(grid, column.widgetArgs)(object) : column.widgetArgs || {},
widget;
args.value = data; // set value based on data
widget = new editor(args, cell.appendChild(put("div")));
widget.watch("value", function(key, oldValue, value){
data = setProperty(cell, data, value);
});
if(onblur){
// editor is not always-on (i.e. editOn was specified)
var stopper;
widget.focus();
if(editOn){
// don't allow event to confuse grid when editor is already active
stopper = on(widget.domNode, editOn, function(evt){
evt.stopPropagation();
});
}
widget.connect(widget, "onBlur", function(){
// if widget supports validation and is invalid, don't dismiss
if(widget.isValid && !widget.isValid()){ return; }
setTimeout(function(){
// we have to wait on this for the widget will throw errors
// about keydown events that happen right after blur
stopper && stopper.remove();
widget.destroyRecursive();
onblur(data);
}, 0);
});
}
return widget;
};
function setProperty(cellElement, oldValue, value){
if(oldValue != value){
var cell = grid.cell(cellElement);
var row = cell.row;
var column = cell.column;
if(column.field && row){
// first try to keep the type the same if possible
if(typeof oldValue == 'number'){
value = isNaN(value) ? value : parseFloat(value);
}else if(typeof oldValue == 'boolean'){
value = value == 'true' ? true : value == 'false' ? false : value;
}else if(oldValue instanceof Date){
var asDate = new Date(value);
value = isNaN(asDate.getTime()) ? value : asDate;
}
if(on.emit(cellElement, "datachange", {rowId: row.id, oldValue: oldValue, value: value, bubbles: true, cancelable: true})){
if(grid.dirty){
var
dirty = grid.dirty[row.id],
object = row.data;
if(!dirty){
dirty = grid.dirty[row.id] = {};
if(!column.autoSave){
// Use delegate to protect original data item in non-autoSave case
// (i.e. to "protect" items of in-memory stores until save).
// This way, row.data will still reflect up to date information
// reflecting grid edits, without "corrupting" store items.
object = row.data = lang.delegate(row.data, dirty);
}
}
dirty[column.field] = object[column.field] = value;
if(column.autoSave){
grid.save();
}
}
}else{
// else keep the value the same
return oldValue;
}
}
}
return value;
}
var suppressSelect;
column.renderCell = function(object, value, cell, options){
var cmp; // stores input/widget being rendered
if(!grid){
grid = column.grid;
}
if(column.editOn){ // TODO: Make this use event delegation, particularly now that we can do event delegation with focus events
// if we are dealing with IE<8, the cell element is the padding cell, need to go to parent
on(cell.tagName == "TD" ? cell : cell.parentNode,
column.editOn, function(){
if(!column.canEdit || column.canEdit(object, value)){
cell.innerHTML = "";
cmp = renderWidget(value, cell, object, function(newData){
originalRenderCell(object, value = newData, cell);
});
// if component is a widget, call startup now (already visible)
if (cmp.startup) { cmp.startup(); }
}
});
originalRenderCell(object, value, cell, options);
}else{
cmp = renderWidget(value, cell, object);
// if component is a widget, call startup once execution stack completes
if (cmp.startup) { setTimeout(function(){ cmp.startup(); }, 0); }
}
}
if(!column.label){
column.renderHeaderCell = function(th){
column.renderCell({}, null, th);
}
}
return column;
};
});