wisemapping-open-source/mindplot/src/main/javascript/Mindmap.js
2011-04-11 18:29:48 +01:00

205 lines
5.0 KiB
JavaScript

/*
* Copyright [2011] [wisemapping]
*
* Licensed under WiseMapping Public License, Version 1.0 (the "License").
* It is basically the Apache License, Version 2.0 (the "License") plus the
* "powered by wisemapping" text requirement on every single page;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the license at
*
* http://www.wisemapping.org/license
*
* 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.
*/
mindplot.Mindmap = function()
{
this._branches = [];
this._name = null;
this._description = null;
this._version=null;
this._relationships=[];
};
mindplot.Mindmap.prototype.getCentralTopic = function()
{
return this._branches[0];
};
mindplot.Mindmap.prototype.getDescription = function()
{
return this._description;
};
mindplot.Mindmap.prototype.getId = function()
{
return this._iconType;
};
mindplot.Mindmap.prototype.setId = function(id)
{
this._iconType = id;
};
mindplot.Mindmap.prototype.getVersion = function()
{
return this._version;
};
mindplot.Mindmap.prototype.setVersion = function(version)
{
this._version = version;
};
mindplot.Mindmap.prototype.addBranch = function(nodeModel)
{
core.assert(nodeModel && nodeModel.isNodeModel(), 'Add node must be invoked with model objects');
if (this._branches.length == 0)
{
core.assert(nodeModel.getType() == mindplot.NodeModel.CENTRAL_TOPIC_TYPE, "First element must be the central topic");
nodeModel.setPosition(0, 0);
} else
{
core.assert(nodeModel.getType() != mindplot.NodeModel.CENTRAL_TOPIC_TYPE, "Mindmaps only have one cental topic");
}
this._branches.push(nodeModel);
};
mindplot.Mindmap.prototype.getBranches = function()
{
return this._branches;
};
mindplot.Mindmap.prototype.getRelationships = function() {
return this._relationships;
};
mindplot.Mindmap.prototype.connect = function(parent, child)
{
// Child already has a parent ?
var branches = this.getBranches();
core.assert(!child.getParent(), 'Child model seems to be already connected');
// Connect node...
parent._appendChild(child);
// Remove from the branch ...
branches.remove(child);
};
mindplot.Mindmap.prototype.disconnect = function(child)
{
var parent = child.getParent();
core.assert(child, 'Child can not be null.');
core.assert(parent, 'Child model seems to be already connected');
parent._removeChild(child);
var branches = this.getBranches();
branches.push(child);
};
mindplot.Mindmap.prototype.hasAlreadyAdded = function(node)
{
var result = false;
// Check in not connected nodes.
var branches = this._branches;
for (var i = 0; i < branches.length; i++)
{
result = branches[i]._isChildNode(node);
if (result)
{
break;
}
}
};
mindplot.Mindmap.prototype.createNode = function(type, id)
{
core.assert(type, "node type can not be null");
return this._createNode(type, id);
};
mindplot.Mindmap.prototype._createNode = function(type, id)
{
core.assert(type, 'Node type must be specified.');
var result = new mindplot.NodeModel(type, this, id);
return result;
};
mindplot.Mindmap.prototype.createRelationship = function(fromNode, toNode){
core.assert(fromNode, 'from node cannot be null');
core.assert(toNode, 'to node cannot be null');
return new mindplot.RelationshipModel(fromNode, toNode);
};
mindplot.Mindmap.prototype.addRelationship = function(relationship) {
this._relationships.push(relationship);
};
mindplot.Mindmap.prototype.removeRelationship = function(relationship) {
this._relationships.remove(relationship);
};
mindplot.Mindmap.prototype.inspect = function()
{
var result = '';
result = '{ ';
var branches = this.getBranches();
for (var i = 0; i < branches.length; i++)
{
var node = branches[i];
if (i != 0)
{
result = result + ', ';
}
result = result + this._toString(node);
}
result = result + ' } ';
return result;
};
mindplot.Mindmap.prototype._toString = function(node)
{
var result = node.inspect();
var children = node.getChildren();
for (var i = 0; i < children.length; i++)
{
var child = children[i];
if (i == 0)
{
result = result + '-> {';
} else
{
result = result + ', ';
}
result = result + this._toString(child);
if (i == children.length - 1)
{
result = result + '}';
}
}
return result;
};