You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.6 KiB
93 lines
2.6 KiB
8 years ago
|
/** Modified from original Node-Red source, for audio system visualization
|
||
|
|
* vim: set ts=4:
|
||
|
|
* Copyright 2013 IBM Corp.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
**/
|
||
|
|
RED.history = (function() {
|
||
|
|
var undo_history = [];
|
||
|
|
|
||
|
|
return {
|
||
|
|
//TODO: this function is a placeholder until there is a 'save' event that can be listened to
|
||
|
|
markAllDirty: function() {
|
||
|
|
for (var i=0;i<undo_history.length;i++) {
|
||
|
|
undo_history[i].dirty = true;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
depth: function() {
|
||
|
|
return undo_history.length;
|
||
|
|
},
|
||
|
|
push: function(ev) {
|
||
|
|
undo_history.push(ev);
|
||
|
|
},
|
||
|
|
pop: function() {
|
||
|
|
var ev = undo_history.pop();
|
||
|
|
var i;
|
||
|
|
if (ev) {
|
||
|
|
if (ev.t == 'add') {
|
||
|
|
for (i=0;i<ev.nodes.length;i++) {
|
||
|
|
RED.nodes.remove(ev.nodes[i]);
|
||
|
|
}
|
||
|
|
for (i=0;i<ev.links.length;i++) {
|
||
|
|
RED.nodes.removeLink(ev.links[i]);
|
||
|
|
}
|
||
|
|
for (i=0;i<ev.workspaces.length;i++) {
|
||
|
|
RED.nodes.removeWorkspace(ev.workspaces[i].id);
|
||
|
|
RED.view.removeWorkspace(ev.workspaces[i]);
|
||
|
|
}
|
||
|
|
} else if (ev.t == "delete") {
|
||
|
|
for (i=0;i<ev.workspaces.length;i++) {
|
||
|
|
RED.nodes.addWorkspace(ev.workspaces[i]);
|
||
|
|
RED.view.addWorkspace(ev.workspaces[i]);
|
||
|
|
}
|
||
|
|
for (i=0;i<ev.nodes.length;i++) {
|
||
|
|
RED.nodes.add(ev.nodes[i]);
|
||
|
|
}
|
||
|
|
for (i=0;i<ev.links.length;i++) {
|
||
|
|
RED.nodes.addLink(ev.links[i]);
|
||
|
|
}
|
||
|
|
} else if (ev.t == "move") {
|
||
|
|
for (i=0;i<ev.nodes.length;i++) {
|
||
|
|
var n = ev.nodes[i];
|
||
|
|
n.n.x = n.ox;
|
||
|
|
n.n.y = n.oy;
|
||
|
|
n.n.dirty = true;
|
||
|
|
}
|
||
|
|
} else if (ev.t == "edit") {
|
||
|
|
for (i in ev.changes) {
|
||
|
|
if (ev.changes.hasOwnProperty(i)) {
|
||
|
|
ev.node[i] = ev.changes[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
RED.editor.updateNodeProperties(ev.node);
|
||
|
|
for (i=0;i<ev.links.length;i++) {
|
||
|
|
RED.nodes.addLink(ev.links[i]);
|
||
|
|
}
|
||
|
|
RED.editor.validateNode(ev.node);
|
||
|
|
ev.node.dirty = true;
|
||
|
|
ev.node.changed = ev.changed;
|
||
|
|
}
|
||
|
|
RED.view.dirty(ev.dirty);
|
||
|
|
RED.view.redraw();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
})();
|
||
|
|
|
||
|
|
|
||
|
|
RED.validators = {
|
||
|
|
number: function(){return function(v) { return v!=='' && !isNaN(v);}},
|
||
|
|
regex: function(re){return function(v) { return re.test(v);}}
|
||
|
|
};
|