wisemapping-open-source/mindplot/src/main/javascript/Designer.js
2012-07-11 23:05:55 -03:00

835 lines
29 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.Designer = new Class({
Extends:Events,
initialize:function (options, divElement) {
$assert(options, "options must be defined");
$assert(options.zoom, "zoom must be defined");
$assert(divElement, "divElement must be defined");
// Set up i18n location ...
mindplot.Messages.init(options.locale);
this._options = options;
// Set full div elem render area ...
divElement.setStyles(options.size);
// Dispatcher manager ...
var commandContext = new mindplot.CommandContext(this);
if (!$defined(options.collab) || options.collab == 'standalone') {
this._actionDispatcher = new mindplot.StandaloneActionDispatcher(commandContext);
} else {
this._actionDispatcher = new mindplot.BrixActionDispatcher(commandContext);
}
this._actionDispatcher.addEvent("modelUpdate", function (event) {
this.fireEvent("modelUpdate", event);
}.bind(this));
mindplot.ActionDispatcher.setInstance(this._actionDispatcher);
this._model = new mindplot.DesignerModel(options);
// Init Screen manager..
var screenManager = new mindplot.ScreenManager(divElement);
this._workspace = new mindplot.Workspace(screenManager, this._model.getZoom());
// Init layout manager ...
this._eventBussDispatcher = new mindplot.layout.EventBusDispatcher(this.getModel());
// Register events
if (!this.isReadOnly()) {
this._registerEvents();
this._dragManager = this._buildDragManager(this._workspace);
}
this._relPivot = new mindplot.RelationshipPivot(this._workspace, this);
// Set editor working area ...
this.setViewPort(options.viewPort);
mindplot.TopicEventDispatcher.configure(this.isReadOnly());
this._clipboard = [];
},
/**
* Deactivates the keyboard events so you can enter text into forms
*/
deactivateKeyboard:function () {
mindplot.DesignerKeyboard.getInstance().deactivate();
this.deselectAll();
},
/**
* Activates the keyboard events so you can enter text into forms
*/
activateKeyboard:function () {
mindplot.DesignerKeyboard.getInstance().activate();
},
_registerEvents:function () {
// Register mouse events ...
this._registerMouseEvents();
// Register keyboard events ...
mindplot.DesignerKeyboard.register(this);
},
addEvent:function (type, listener) {
if (type == mindplot.TopicEvent.EDIT || type == mindplot.TopicEvent.CLICK) {
var editor = mindplot.TopicEventDispatcher.getInstance();
editor.addEvent(type, listener);
} else {
this.parent(type, listener);
}
},
_registerMouseEvents:function () {
var workspace = this._workspace;
var screenManager = workspace.getScreenManager();
// Initialize workspace event listeners.
screenManager.addEvent('update', function () {
// Topic must be set to his original state. All editors must be closed.
var topics = this.getModel().getTopics();
topics.each(function (object) {
object.closeEditors();
});
// Clean some selected nodes on event ..
if (this._cleanScreen)
this._cleanScreen();
}.bind(this));
// Deselect on click ...
screenManager.addEvent('click', function (event) {
this.onObjectFocusEvent(null, event);
}.bind(this));
// Create nodes on double click...
screenManager.addEvent('dblclick', function (event) {
if (workspace.isWorkspaceEventsEnabled()) {
var mousePos = screenManager.getWorkspaceMousePosition(event);
var centralTopic = this.getModel().getCentralTopic();
var model = this._createChildModel(centralTopic, mousePos);
this._actionDispatcher.addTopics([model], [centralTopic.getId()]);
}
}.bind(this));
$(document).addEvent('mousewheel', function (event) {
// Change mousewheel handling so we let the default
//event happen if we are outside the container.
var coords = screenManager.getContainer().getCoordinates();
var isOutsideContainer = event.client.y < coords.top ||
event.client.y > coords.bottom ||
event.client.x < coords.left ||
event.client.x > coords.right;
if (!isOutsideContainer) {
if (event.wheel > 0) {
this.zoomIn(1.05);
}
else {
this.zoomOut(1.05);
}
event.preventDefault();
}
}.bind(this));
},
_buildDragManager:function (workspace) {
var designerModel = this.getModel();
var dragConnector = new mindplot.DragConnector(designerModel, this._workspace);
var dragManager = new mindplot.DragManager(workspace, this._eventBussDispatcher);
var topics = designerModel.getTopics();
dragManager.addEvent('startdragging', function () {
// Enable all mouse events.
for (var i = 0; i < topics.length; i++) {
topics[i].setMouseEventsEnabled(false);
}
});
dragManager.addEvent('dragging', function (event, dragTopic) {
dragTopic.updateFreeLayout(event);
if (!dragTopic.isFreeLayoutOn(event)) {
// The node is being drag. Is the connection still valid ?
dragConnector.checkConnection(dragTopic);
if (!dragTopic.isVisible() && dragTopic.isConnected()) {
dragTopic.setVisibility(true);
}
}
});
dragManager.addEvent('enddragging', function (event, dragTopic) {
for (var i = 0; i < topics.length; i++) {
topics[i].setMouseEventsEnabled(true);
}
dragTopic.applyChanges(workspace);
});
return dragManager;
},
setViewPort:function (size) {
this._workspace.setViewPort(size);
var model = this.getModel();
this._workspace.setZoom(model.getZoom(), true);
},
_buildNodeGraph:function (model, readOnly) {
var workspace = this._workspace;
// Create node graph ...
var topic = mindplot.NodeGraph.create(model, {readOnly:readOnly});
// Append it to the workspace ...
this.getModel().addTopic(topic);
// Add Topic events ...
if (!readOnly) {
// If a node had gained focus, clean the rest of the nodes ...
topic.addEvent('mousedown', function (event) {
this.onObjectFocusEvent(topic, event);
}.bind(this));
// Register node listeners ...
if (topic.getType() != mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE) {
// Central Topic doesn't support to be dragged
this._dragManager.add(topic);
}
}
// Connect Topic ...
var isConnected = model.isConnected();
if (isConnected) {
// Improve this ...
var targetTopicModel = model.getParent();
var targetTopic = null;
var topics = this.getModel().getTopics();
for (var i = 0; i < topics.length; i++) {
var t = topics[i];
if (t.getModel() == targetTopicModel) {
targetTopic = t;
// Disconnect the node. It will be connected again later ...
model.disconnect();
break;
}
}
$assert(targetTopic, "Could not find a topic to connect");
topic.connectTo(targetTopic, workspace);
}
topic.addEvent('ontblur', function () {
var topics = this.getModel().filterSelectedTopics();
var rels = this.getModel().filterSelectedRelationships();
if (topics.length == 0 || rels.length == 0) {
this.fireEvent('onblur');
}
}.bind(this));
topic.addEvent('ontfocus', function () {
var topics = this.getModel().filterSelectedTopics();
var rels = this.getModel().filterSelectedRelationships();
if (topics.length == 1 || rels.length == 1) {
this.fireEvent('onfocus');
}
}.bind(this));
return topic;
},
onObjectFocusEvent:function (currentObject, event) {
// Close node editors ..
var topics = this.getModel().getTopics();
topics.each(function (topic) {
topic.closeEditors();
});
var model = this.getModel();
var objects = model.getEntities();
objects.each(function (object) {
// Disable all nodes on focus but not the current if Ctrl key isn't being pressed
if (!$defined(event) || (!event.control && !event.meta)) {
if (object.isOnFocus() && object != currentObject) {
object.setOnFocus(false);
}
}
});
},
selectAll:function () {
var model = this.getModel();
var objects = model.getEntities();
objects.each(function (object) {
object.setOnFocus(true);
});
},
deselectAll:function () {
var objects = this.getModel().getEntities();
objects.each(function (object) {
object.setOnFocus(false);
});
},
/**
* Set the zoom of the map.
* @param: zoom: number between 0.3 and 1.9
*/
setZoom:function (zoom) {
if (zoom > 1.9 || zoom < 0.3) {
$notify($msg('ZOOM_IN_ERROR'));
return;
}
this.getModel().setZoom(zoom);
this._workspace.setZoom(zoom);
},
zoomOut:function (factor) {
if (!factor)
factor = 1.2;
var model = this.getModel();
var scale = model.getZoom() * factor;
if (scale <= 1.9) {
model.setZoom(scale);
this._workspace.setZoom(scale);
}
else {
$notify($msg('ZOOM_ERROR'));
}
},
zoomIn:function (factor) {
if (!factor)
factor = 1.2;
var model = this.getModel();
var scale = model.getZoom() / factor;
if (scale >= 0.3) {
model.setZoom(scale);
this._workspace.setZoom(scale);
}
else {
$notify($msg('ZOOM_ERROR'));
}
},
copyToClipboard:function () {
var topics = this.getModel().filterSelectedTopics();
if (topics.length <= 0) {
// If there are more than one node selected,
$notify($msg('AT_LEAST_ONE_TOPIC_MUST_BE_SELECTED'));
return;
}
// Exclude central topic ..
topics = topics.filter(function (topic) {
return topic.getTopicType() != mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE
});
this._clipboard = topics.map(function (topic) {
var nodeModel = topic.getModel().deepCopy();
// Change position to make the new topic evident...
var pos = nodeModel.getPosition();
nodeModel.setPosition(pos.x + (60 * Math.sign(pos.x)), pos.y + 30);
return nodeModel;
});
$notify($msg('SELECTION_COPIED_TO_CLIPBOARD'));
},
pasteClipboard:function () {
if (this._clipboard.length == 0) {
$notify($msg('CLIPBOARD_IS_EMPTY'));
return;
}
this._actionDispatcher.addTopics(this._clipboard);
this._clipboard = [];
},
getModel:function () {
return this._model;
},
shrinkSelectedBranch:function () {
var nodes = this.getModel().filterSelectedTopics();
if (nodes.length <= 0 || nodes.length != 1) {
// If there are more than one node selected,
$notify($msg('ONLY_ONE_TOPIC_MUST_BE_SELECTED_COLLAPSE'));
return;
}
// Execute event ...
var topic = nodes[0];
this._actionDispatcher.shrinkBranch([topic.getId()], !topic.areChildrenShrunken());
},
createChildForSelectedNode:function () {
var nodes = this.getModel().filterSelectedTopics();
if (nodes.length <= 0) {
// If there are more than one node selected,
$notify($msg('ONE_TOPIC_MUST_BE_SELECTED'));
return;
}
if (nodes.length != 1) {
// If there are more than one node selected,
$notify($msg('ONLY_ONE_TOPIC_MUST_BE_SELECTED'));
return;
}
// Add new node ...
var parentTopic = nodes[0];
var parentTopicId = parentTopic.getId();
var childModel = this._createChildModel(parentTopic);
// Execute event ...
this._actionDispatcher.addTopics([childModel], [parentTopicId]);
},
_createChildModel:function (topic, mousePos) {
// Create a new node ...
var model = topic.getModel();
var mindmap = model.getMindmap();
var childModel = mindmap.createNode();
// Create a new node ...
var layoutManager = this._eventBussDispatcher.getLayoutManager();
var result = layoutManager.predict(topic.getId(), null, mousePos);
childModel.setOrder(result.order);
var position = result.position;
childModel.setPosition(position.x, position.y);
return childModel;
},
addDraggedNode:function (event, model) {
$assert(event, "event can not be null");
$assert(model, "model can not be null");
// Position far from the visual area ...
model.setPosition(1000, 1000);
this._actionDispatcher.addTopics([model]);
var topic = this.getModel().findTopicById(model.getId());
// Simulate a mouse down event to start the dragging ...
topic.fireEvent("mousedown", event);
},
createSiblingForSelectedNode:function () {
var nodes = this.getModel().filterSelectedTopics();
if (nodes.length <= 0) {
// If there are no nodes selected,
$notify($msg('ONE_TOPIC_MUST_BE_SELECTED'));
return;
}
if (nodes.length > 1) {
// If there are more than one node selected,
$notify($msg('ONLY_ONE_TOPIC_MUST_BE_SELECTED'));
return;
}
var topic = nodes[0];
if (topic.getType() == mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE) {
// Central topic doesn't have siblings ...
this.createChildForSelectedNode();
} else {
var parentTopic = topic.getOutgoingConnectedTopic();
var siblingModel = this._createSiblingModel(topic);
// Hack: if parent is central topic, add node below not on opposite side.
// This should be done in the layout
if (parentTopic.getType() == mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE) {
siblingModel.setOrder(topic.getOrder() + 2);
}
var parentTopicId = parentTopic.getId();
this._actionDispatcher.addTopics([siblingModel], [parentTopicId]);
}
},
_createSiblingModel:function (topic) {
var result = null;
var parentTopic = topic.getOutgoingConnectedTopic();
if (parentTopic != null) {
// Create a new node ...
var model = topic.getModel();
var mindmap = model.getMindmap();
result = mindmap.createNode();
// Create a new node ...
var order = topic.getOrder() + 1;
result.setOrder(order);
result.setPosition(10, 10); // Set a dummy pisition ...
}
return result;
},
showRelPivot:function (event) {
var nodes = this.getModel().filterSelectedTopics();
if (nodes.length <= 0) {
// This could not happen ...
$notify($msg('RELATIONSHIP_COULD_NOT_BE_CREATED'));
return;
}
// Current mouse position ....
var screen = this._workspace.getScreenManager();
var pos = screen.getWorkspaceMousePosition(event);
// create a connection ...
this._relPivot.start(nodes[0], pos);
},
needsSave:function () {
//@Todo: Review all this ...
return this._actionDispatcher._actionRunner.hasBeenChanged();
},
getMindmapProperties:function () {
return {zoom:this.getModel().getZoom()};
},
loadMap:function (mindmapModel) {
$assert(mindmapModel, "mindmapModel can not be null");
this._mindmap = mindmapModel;
// Init layout manager ...
var size = {width:25, height:25};
var layoutManager = new mindplot.layout.LayoutManager(mindmapModel.getCentralTopic().getId(), size);
layoutManager.addEvent('change', function (event) {
var id = event.getId();
var topic = this.getModel().findTopicById(id);
topic.setPosition(event.getPosition());
topic.setOrder(event.getOrder());
}.bind(this));
this._eventBussDispatcher.setLayoutManager(layoutManager);
// Building node graph ...
var branches = mindmapModel.getBranches();
for (var i = 0; i < branches.length; i++) {
// NodeModel -> NodeGraph ...
var nodeModel = branches[i];
var nodeGraph = this._nodeModelToNodeGraph(nodeModel, false);
// Update shrink render state...
nodeGraph.setBranchVisibility(true);
}
var relationships = mindmapModel.getRelationships();
for (var j = 0; j < relationships.length; j++) {
this._relationshipModelToRelationship(relationships[j]);
}
// Place the focus on the Central Topic
var centralTopic = this.getModel().getCentralTopic();
this.goToNode(centralTopic);
// Finally, sort the map ...
mindplot.EventBus.instance.fireEvent(mindplot.EventBus.events.DoLayout);
this.fireEvent('loadSuccess');
},
getMindmap:function () {
return this._mindmap;
},
undo:function () {
// @Todo: This is a hack...
this._actionDispatcher._actionRunner.undo();
},
redo:function () {
this._actionDispatcher._actionRunner.redo();
},
isReadOnly:function () {
return this._options.readOnly;
},
_nodeModelToNodeGraph:function (nodeModel, isVisible) {
$assert(nodeModel, "Node model can not be null");
var children = nodeModel.getChildren().slice();
children = children.sort(function (a, b) {
return a.getOrder() - b.getOrder()
});
var nodeGraph = this._buildNodeGraph(nodeModel, this.isReadOnly());
if (isVisible) {
nodeGraph.setVisibility(isVisible);
}
this._workspace.appendChild(nodeGraph);
for (var i = 0; i < children.length; i++) {
var child = children[i];
if ($defined(child))
this._nodeModelToNodeGraph(child, false);
}
return nodeGraph;
},
_relationshipModelToRelationship:function (model) {
$assert(model, "Node model can not be null");
var result = this._buildRelationshipShape(model);
var sourceTopic = result.getSourceTopic();
sourceTopic.addRelationship(result);
var targetTopic = result.getTargetTopic();
targetTopic.addRelationship(result);
result.setVisibility(sourceTopic.isVisible() && targetTopic.isVisible());
this._workspace.appendChild(result);
return result;
},
_addRelationship:function (model) {
this._mindmap.addRelationship(model);
return this._relationshipModelToRelationship(model);
},
_deleteRelationship:function (relationship) {
var sourceTopic = relationship.getSourceTopic();
sourceTopic.deleteRelationship(relationship);
var targetTopic = relationship.getTargetTopic();
targetTopic.deleteRelationship(relationship);
this._workspace.removeChild(relationship);
this.getModel().removeRelationship(relationship);
},
_buildRelationshipShape:function (model) {
var dmodel = this.getModel();
var sourceTopicId = model.getFromNode();
var sourceTopic = dmodel.findTopicById(sourceTopicId);
var targetTopicId = model.getToNode();
var targetTopic = dmodel.findTopicById(targetTopicId);
// Build relationship line ....
var result = new mindplot.Relationship(sourceTopic, targetTopic, model);
result.addEvent('onfocus', function (event) {
this.onObjectFocusEvent(result, event);
}.bind(this));
// Append it to the workspace ...
dmodel.addRelationship(result);
return result;
},
_removeTopic:function (node) {
if (node.getTopicType() != mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE) {
var parent = node._parent;
node.disconnect(this._workspace);
//remove children
while (node.getChildren().length > 0) {
this._removeTopic(node.getChildren()[0]);
}
this._workspace.removeChild(node);
this.getModel().removeTopic(node);
// Delete this node from the model...
var model = node.getModel();
model.deleteNode();
if ($defined(parent)) {
this.goToNode(parent);
}
}
},
deleteSelectedEntities:function () {
var topics = this.getModel().filterSelectedTopics();
var relation = this.getModel().filterSelectedRelationships();
if (topics.length <= 0 && relation.length <= 0) {
// If there are more than one node selected,
$notify($msg('ENTITIES_COULD_NOT_BE_DELETED'));
return;
} else if (topics.length == 1 && topics[0].getTopicType() == mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE) {
$notify($msg('CENTRAL_TOPIC_CAN_NOT_BE_DELETED'));
return;
}
// If the central topic has been selected, I must filter ir
var topicIds = topics.filter(function (topic) {
return topic.getTopicType() != mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE
}).map(function (topic) {
return topic.getId()
});
var relIds = relation.map(function (rel) {
return rel.getId();
});
// Finally delete the topics ...
if (topicIds.length > 0 || relIds.length > 0) {
this._actionDispatcher.deleteEntities(topicIds, relIds);
}
},
changeFontFamily:function (font) {
var topicsIds = this.getModel().filterTopicsIds();
if (topicsIds.length > 0) {
this._actionDispatcher.changeFontFamilyToTopic(topicsIds, font);
}
},
changeFontStyle:function () {
var topicsIds = this.getModel().filterTopicsIds();
if (topicsIds.length > 0) {
this._actionDispatcher.changeFontStyleToTopic(topicsIds);
}
},
changeFontColor:function (color) {
$assert(color, "color can not be null");
var topicsIds = this.getModel().filterTopicsIds();
if (topicsIds.length > 0) {
this._actionDispatcher.changeFontColorToTopic(topicsIds, color);
}
},
changeBackgroundColor:function (color) {
var validateFunc = function (topic) {
return topic.getShapeType() != mindplot.model.TopicShape.LINE;
};
var validateError = 'Color can not be set to line topics.';
var topicsIds = this.getModel().filterTopicsIds(validateFunc, validateError);
if (topicsIds.length > 0) {
this._actionDispatcher.changeBackgroundColorToTopic(topicsIds, color);
}
},
changeBorderColor:function (color) {
var validateFunc = function (topic) {
return topic.getShapeType() != mindplot.model.TopicShape.LINE;
};
var validateError = 'Color can not be set to line topics.';
var topicsIds = this.getModel().filterTopicsIds(validateFunc, validateError);
if (topicsIds.length > 0) {
this._actionDispatcher.changeBorderColorToTopic(topicsIds, color);
}
},
changeFontSize:function (size) {
var topicsIds = this.getModel().filterTopicsIds();
if (topicsIds.length > 0) {
this._actionDispatcher.changeFontSizeToTopic(topicsIds, size);
}
},
changeTopicShape:function (shape) {
var validateFunc = function (topic) {
return !(topic.getType() == mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE && shape == mindplot.model.TopicShape.LINE)
};
var validateError = 'Central Topic shape can not be changed to line figure.';
var topicsIds = this.getModel().filterTopicsIds(validateFunc, validateError);
if (topicsIds.length > 0) {
this._actionDispatcher.changeShapeTypeToTopic(topicsIds, shape);
}
},
changeFontWeight:function () {
var topicsIds = this.getModel().filterTopicsIds();
if (topicsIds.length > 0) {
this._actionDispatcher.changeFontWeightToTopic(topicsIds);
}
},
addIconType:function (iconType) {
var topicsIds = this.getModel().filterTopicsIds();
if (topicsIds.length > 0) {
this._actionDispatcher.addFeatureToTopic(topicsIds[0], mindplot.TopicFeature.Icon.id, {id:iconType});
}
},
addLink:function () {
var model = this.getModel();
var topic = model.selectedTopic();
topic.showLinkEditor();
},
addNote:function () {
var model = this.getModel();
var topic = model.selectedTopic();
topic.showNoteEditor();
},
goToNode:function (node) {
node.setOnFocus(true);
this.onObjectFocusEvent(node);
},
getWorkSpace:function () {
return this._workspace;
}
}
);