append: INSERTION(function(node) {
var last = _.last(this.contents());
if(last && last.nodeType === Node.TEXT_NODE && node.nodeType === Node.TEXT_NODE) {
last.setText(last.getText() + node.getText());
node.detach();
return last;
} else {
this._$.append(node.nativeNode);
return node;
}
}),
doc.transaction(function() {
var wrapper = params.fragment.startNode.parent().wrapText({
_with: {tagName: 'aside', attrs: {'class': 'gap'}},
offsetStart: params.fragment.startOffset,
offsetEnd: params.fragment.endOffset,
textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
}),
last = _.last(wrapper.contents());
return doc.createFragment(doc.CaretFragment, {node: last, offset: last.getText().length});
}, {
execute: function(callback, params) {
var metadata = _.last(params.document[dir+'Stack']).metadata,
fragment = metadata && metadata.fragment;
params.document[dir]();
if(fragment) {
if(!fragment.isValid()) {
fragment.restoreFromPaths();
}
if(fragment.isValid()) {
callback(fragment);
}
}
callback();
},
getState: function(params) {
var allowed = params.document && !!(params.document[dir+'Stack'].length),
desc = dir === 'undo' ? gettext('Undo') : gettext('Redo'),
descEmpty = dir === 'undo' ? gettext('There is nothing to undo') : gettext('There is nothing to redo');
if(allowed) {
var metadata = _.last(params.document[dir+'Stack']).metadata;
if(metadata) {
desc += ': ' + (metadata.description || gettext('unknown operation'));
}
}
return {
allowed: allowed,
description: allowed ? desc : descEmpty
};
}
extractAllItems: function() {
var contents = this.contents();
return this.document.extractItems({item1: contents[0], item2: _.last(contents)});
}