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Ensure there is always a selection.

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Many functions rely on there being a selection; if the browser doesn't return
one, make one up (collapsed, at beginning of document).
This commit is contained in:
Neil Jenkins 2014-06-30 15:10:30 +01:00
parent c09c5e98f7
commit bbf765bee7
3 changed files with 30 additions and 18 deletions
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22
build/squire-raw.js
View file

@ -1401,21 +1401,21 @@ proto.setSelection = function ( range ) {
};
proto.getSelection = function () {
var sel = this._sel;
var sel = this._sel,
selection, startContainer, endContainer;
if ( sel.rangeCount ) {
var lastSelection = this._lastSelection =
sel.getRangeAt( 0 ).cloneRange();
var startContainer = lastSelection.startContainer,
endContainer = lastSelection.endContainer;
selection = sel.getRangeAt( 0 ).cloneRange();
startContainer = selection.startContainer;
endContainer = selection.endContainer;
// FF sometimes throws an error reading the isLeaf property. Let's
// catch and log it to see if we can find what's going on.
try {
// FF can return the selection as being inside an <img>. WTF?
if ( startContainer && isLeaf( startContainer ) ) {
lastSelection.setStartBefore( startContainer );
selection.setStartBefore( startContainer );
}
if ( endContainer && isLeaf( endContainer ) ) {
lastSelection.setEndBefore( endContainer );
selection.setEndBefore( endContainer );
}
} catch ( error ) {
this.didError({
@ -1424,8 +1424,14 @@ proto.getSelection = function () {
'\nEnds: ' + endContainer.nodeName
});
}
this._lastSelection = selection;
} else {
selection = this._lastSelection;
}
return this._lastSelection;
if ( !selection ) {
selection = this._createRange( this._body.firstChild, 0 );
}
return selection;
};
proto.getSelectedText = function () {

4
build/squire.js
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File diff suppressed because one or more lines are too long

22
source/Editor.js
View file

@ -288,21 +288,21 @@ proto.setSelection = function ( range ) {
};
proto.getSelection = function () {
var sel = this._sel;
var sel = this._sel,
selection, startContainer, endContainer;
if ( sel.rangeCount ) {
var lastSelection = this._lastSelection =
sel.getRangeAt( 0 ).cloneRange();
var startContainer = lastSelection.startContainer,
endContainer = lastSelection.endContainer;
selection = sel.getRangeAt( 0 ).cloneRange();
startContainer = selection.startContainer;
endContainer = selection.endContainer;
// FF sometimes throws an error reading the isLeaf property. Let's
// catch and log it to see if we can find what's going on.
try {
// FF can return the selection as being inside an <img>. WTF?
if ( startContainer && isLeaf( startContainer ) ) {
lastSelection.setStartBefore( startContainer );
selection.setStartBefore( startContainer );
}
if ( endContainer && isLeaf( endContainer ) ) {
lastSelection.setEndBefore( endContainer );
selection.setEndBefore( endContainer );
}
} catch ( error ) {
this.didError({
@ -311,8 +311,14 @@ proto.getSelection = function () {
'\nEnds: ' + endContainer.nodeName
});
}
this._lastSelection = selection;
} else {
selection = this._lastSelection;
}
return this._lastSelection;
if ( !selection ) {
selection = this._createRange( this._body.firstChild, 0 );
}
return selection;
};
proto.getSelectedText = function () {