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
189
190
191
192
193
194
195
196
/*
* 处理特殊键的兼容性问题
*/
UM.plugins['keystrokes'] = function() {
var me = this;
var collapsed = true;
me.addListener('keydown', function(type, evt) {
var keyCode = evt.keyCode || evt.which,
rng = me.selection.getRange();
//处理全选的情况
if(!rng.collapsed && !(evt.ctrlKey || evt.shiftKey || evt.altKey || evt.metaKey) && (keyCode >= 65 && keyCode <=90
|| keyCode >= 48 && keyCode <= 57 ||
keyCode >= 96 && keyCode <= 111 || {
13:1,
8:1,
46:1
}[keyCode])
){
var tmpNode = rng.startContainer;
if(domUtils.isFillChar(tmpNode)){
rng.setStartBefore(tmpNode)
}
tmpNode = rng.endContainer;
if(domUtils.isFillChar(tmpNode)){
rng.setEndAfter(tmpNode)
}
rng.txtToElmBoundary();
//结束边界可能放到了br的前边，要把br包含进来
// x[xxx]<br/>
if(rng.endContainer && rng.endContainer.nodeType == 1){
tmpNode = rng.endContainer.childNodes[rng.endOffset];
if(tmpNode && domUtils.isBr(tmpNode)){
rng.setEndAfter(tmpNode);
}
}
if(rng.startOffset == 0){
tmpNode = rng.startContainer;
if(domUtils.isBoundaryNode(tmpNode,'firstChild') ){
tmpNode = rng.endContainer;
if(rng.endOffset == (tmpNode.nodeType == 3 ? tmpNode.nodeValue.length : tmpNode.childNodes.length) && domUtils.isBoundaryNode(tmpNode,'lastChild')){
me.fireEvent('saveScene');
me.body.innerHTML = '<p>'+(browser.ie ? '' : '<br/>')+'</p>';
rng.setStart(me.body.firstChild,0).setCursor(false,true);
me._selectionChange();
return;
}
}
}
}
//处理backspace
if (keyCode == 8) {
rng = me.selection.getRange();
collapsed = rng.collapsed;
if(me.fireEvent('delkeydown',evt)){
return;
}
var start,end;
//避免按两次删除才能生效的问题
if(rng.collapsed && rng.inFillChar()){
start = rng.startContainer;
if(domUtils.isFillChar(start)){
rng.setStartBefore(start).shrinkBoundary(true).collapse(true);
domUtils.remove(start)
}else{
start.nodeValue = start.nodeValue.replace(new RegExp('^' + domUtils.fillChar ),'');
rng.startOffset--;
rng.collapse(true).select(true)
}
}
//解决选中control元素不能删除的问题
if (start = rng.getClosedNode()) {
me.fireEvent('saveScene');
rng.setStartBefore(start);
domUtils.remove(start);
rng.setCursor();
me.fireEvent('saveScene');
domUtils.preventDefault(evt);
return;
}
//阻止在table上的删除
if (!browser.ie) {
start = domUtils.findParentByTagName(rng.startContainer, 'table', true);
end = domUtils.findParentByTagName(rng.endContainer, 'table', true);
if (start && !end || !start && end || start !== end) {
evt.preventDefault();
return;
}
}
start = rng.startContainer;
if(rng.collapsed && start.nodeType == 1){
var currentNode = start.childNodes[rng.startOffset-1];
if(currentNode && currentNode.nodeType == 1 && currentNode.tagName == 'BR'){
me.fireEvent('saveScene');
rng.setStartBefore(currentNode).collapse(true);
domUtils.remove(currentNode);
rng.select();
me.fireEvent('saveScene');
}
}
//trace:3613
if(browser.chrome){
if(rng.collapsed){
while(rng.startOffset == 0 && !domUtils.isEmptyBlock(rng.startContainer)){
rng.setStartBefore(rng.startContainer)
}
var pre = rng.startContainer.childNodes[rng.startOffset-1];
if(pre && pre.nodeName == 'BR'){
rng.setStartBefore(pre);
me.fireEvent('saveScene');
$(pre).remove();
rng.setCursor();
me.fireEvent('saveScene');
}
}
}
}
//trace:1634
//ff的del键在容器空的时候，也会删除
if(browser.gecko && keyCode == 46){
var range = me.selection.getRange();
if(range.collapsed){
start = range.startContainer;
if(domUtils.isEmptyBlock(start)){
var parent = start.parentNode;
while(domUtils.getChildCount(parent) == 1 && !domUtils.isBody(parent)){
start = parent;
parent = parent.parentNode;
}
if(start === parent.lastChild)
evt.preventDefault();
return;
}
}
}
});
me.addListener('keyup', function(type, evt) {
var keyCode = evt.keyCode || evt.which,
rng,me = this;
if(keyCode == 8){
if(me.fireEvent('delkeyup')){
return;
}
rng = me.selection.getRange();
if(rng.collapsed){
var tmpNode,
autoClearTagName = ['h1','h2','h3','h4','h5','h6'];
if(tmpNode = domUtils.findParentByTagName(rng.startContainer,autoClearTagName,true)){
if(domUtils.isEmptyBlock(tmpNode)){
var pre = tmpNode.previousSibling;
if(pre && pre.nodeName != 'TABLE'){
domUtils.remove(tmpNode);
rng.setStartAtLast(pre).setCursor(false,true);
return;
}else{
var next = tmpNode.nextSibling;
if(next && next.nodeName != 'TABLE'){
domUtils.remove(tmpNode);
rng.setStartAtFirst(next).setCursor(false,true);
return;
}
}
}
}
//处理当删除到body时，要重新给p标签展位
if(domUtils.isBody(rng.startContainer)){
var tmpNode = domUtils.createElement(me.document,'p',{
'innerHTML' : browser.ie ? domUtils.fillChar : '<br/>'
});
rng.insertNode(tmpNode).setStart(tmpNode,0).setCursor(false,true);
}
}
//chrome下如果删除了inline标签，浏览器会有记忆，在输入文字还是会套上刚才删除的标签，所以这里再选一次就不会了
if( !collapsed && (rng.startContainer.nodeType == 3 || rng.startContainer.nodeType == 1 && domUtils.isEmptyBlock(rng.startContainer))){
if(browser.ie){
var span = rng.document.createElement('span');
rng.insertNode(span).setStartBefore(span).collapse(true);
rng.select();
domUtils.remove(span)
}else{
rng.select()
}
}
}
})
};