Files
wisemapping-open-source/mindplot/src/main/javascript/layout/boards/freemind/Board.js
2011-08-24 23:41:39 -03:00

194 lines
8.5 KiB
JavaScript

mindplot.layout.boards.freemind = {};
mindplot.layout.boards.freemind.Board = mindplot.layout.boards.Board.extend({
options:{
},
initialize:function(node, layoutManager, options){
this.parent(node, layoutManager, options);
this._positionTables = this._createTables();
},
_createTables:function(){
$assert(false, "no Board implementation found!")
},
_getTableForNode:function(node, position){
$assert(false, "no Board implementation found!")
},
removeTopicFromBoard:function(node, modifiedTopics){
var pos;
if($defined(node._originalPosition))
pos = node._originalPosition;
var result = this.findNodeEntryIndex(node, pos);
$assert(result.index<result.table.length,"node not found. Could not remove");
this._removeEntry(node, result.table, result.index, modifiedTopics);
},
addBranch:function(node,modifiedTopics){
var pos = (this._layoutManager._isMovingNode?node.getPosition():node.getModel().getFinalPosition() || node.getPosition());
var entry = new mindplot.layout.boards.freemind.Entry(node, !this._layoutManager._isMovingNode);
var result = this.findNewNodeEntryIndex(entry);
// if creating a sibling or child
if(!this._layoutManager._isMovingNode && this._layoutManager.getDesigner().filterSelectedTopics().length>0){
var selectedNode = this._layoutManager.getDesigner().filterSelectedTopics()[0];
if(!$defined(pos)){
if(selectedNode.getParent()!= null && node.getParent().getId() == selectedNode.getParent().getId()){
//creating a sibling - Lets put the new node below the selected node.
var parentBoard = this._layoutManager.getTopicBoardForTopic(selectedNode.getParent());
var selectedNodeResult = parentBoard.findNodeEntryIndex(selectedNode);
var selectedNodeEntry = selectedNodeResult.table[selectedNodeResult.index];
var x = null;
if(this._layoutManager._isCentralTopic(selectedNode.getParent())){
var nodeX = entry.getNode().getPosition().x;
if(Math.sign(nodeX)!=Math.sign(selectedNode.getPosition().x)){
x =nodeX *-1;
}
result.table = selectedNodeResult.table;
}
entry.setPosition(x, selectedNodeEntry.getPosition()+selectedNodeEntry.getTotalMarginBottom() + entry.getMarginTop());
result.index = selectedNodeResult.index+1;
} else if(node.getParent().getId() == selectedNode.getId()){
//creating a child node - Lest put the new node as the last child.
var selectedNodeBoard = this._layoutManager.getTopicBoardForTopic(selectedNode);
var table = selectedNodeBoard._getTableForNode(node);
if(table.length>0){
//if no children use the position set by Entry initializer. Otherwise place as last child
var lastChild = table[table.length-1];
entry.setPosition(null, lastChild.getPosition()+lastChild.getTotalMarginBottom() + entry.getMarginTop());
}
result.index = table.length;
}
}
}
this._addEntry(entry, result.table, result.index);
if($defined(pos)){
if(result.index>0){
var prevEntry =result.table[result.index-1];
entry.setMarginTop(pos.y-(prevEntry.getPosition() + prevEntry.getTotalMarginBottom()));
}
else if(result.table.length>1){
var nextEntry = result.table[1];
nextEntry.setMarginTop((nextEntry.getPosition() - nextEntry.getTotalMarginTop())-pos.y);
}
}
this._updateTable(result.index, result.table,modifiedTopics, false);
this._layoutManager._updateParentBoard(node, modifiedTopics);
},
_removeEntry:function(node, table, index, modifiedTopics){
table.splice(index, 1);
this._updateTable(index>0?index-1:index, table, modifiedTopics, false);
},
_addEntry:function(entry, table, index){
table.splice(index, 0, entry);
},
_updateTable:function(index, table, modifiedTopics, updateParents){
var i = index;
if(index >= table.length){
i = table.length -1;
}
var delta = null;
//check from index to 0;
if(i>0){
var entry = table[i];
var prevEntry = table[i-1];
var margin = entry.getTotalMarginTop() + prevEntry.getTotalMarginBottom();
var distance = Math.abs(prevEntry.getPosition() - entry.getPosition());
if(distance!=margin){
delta = (distance - margin)*Math.sign(prevEntry.getPosition() - entry.getPosition());
i--;
while(i >= 0){
this._updateEntryPos(table[i], new core.Point(null, delta), modifiedTopics, updateParents);
i--;
}
}
}
i = index;
delta = null;
//check from index to length
if( i<table.length-1){
entry = table[i];
var nextEntry = table[i+1];
var margin = entry.getTotalMarginBottom() + nextEntry.getTotalMarginTop();
var distance = Math.abs(entry.getPosition() - nextEntry.getPosition());
if(distance!=margin){
delta = (distance - margin)*Math.sign(nextEntry.getPosition() - entry.getPosition());
i++;
while(i<table.length){
this._updateEntryPos(table[i], new core.Point(null, delta), modifiedTopics, updateParents);
i++;
}
}
}
},
updateChildrenPosition:function(node, modifiedTopics){
var result = this.findNodeEntryIndex(node);
this._updateTable(result.index, result.table, modifiedTopics, false);
},
findNodeEntryIndex:function(node, position){
var table = this._getTableForNode(node, position);
//search for position
var i;
for(i = 0; i< table.length ; i++){
var entry = table[i];
if (entry.getNode().getId() == node.getId()){
break;
}
}
return {index:i, table:table};
},
findNewNodeEntryIndex:function(entry){
var table = this._getTableForNode(entry.getNode());
var position = entry.getPosition();
//search for position
var i;
for(i = 0; i< table.length ; i++){
var tableEntry = table[i];
if (tableEntry.getPosition() > position){
break;
}
}
return {index:i, table:table};
},
setNodeMarginTop:function(entry, delta){
var marginTop = entry.getMarginTop()-delta.y;
entry.setMarginTop(marginTop);
},
setNodeMarginBottom:function(entry, delta){
var marginBottom = entry.getMarginBottom()-delta.y;
entry.setMarginBottom(marginBottom);
},
setNodeChildrenMarginTop:function(entry, delta){
entry.setChildrenMarginTop(delta);
},
setNodeChildrenMarginBottom:function(entry, delta){
entry.setChildrenMarginBottom(delta);
},
updateEntry:function(node, delta, modifiedTopics){
var result = this.findNodeEntryIndex(node);
if(result.index < result.table.length){
var entry = result.table[result.index];
if(result.index!=0)
this.setNodeMarginTop(entry, delta);
this._updateEntryPos(entry, delta, modifiedTopics, false);
this._updateTable(result.index, result.table, modifiedTopics, false);
this._layoutManager._updateParentBoard(entry.getNode(), modifiedTopics);
}
},
_updateEntryPos:function(entry, delta, modifiedTopics, updateParents){
var pos = entry.getNode().getPosition().clone();
var newPos = new core.Point(pos.x-(delta.x==null?0:delta.x), pos.y-delta.y);
entry.setPosition(newPos.x, newPos.y);
this._layoutManager._updateChildrenBoards(entry.getNode(), delta, modifiedTopics);
if($defined(modifiedTopics.set)){
var key = entry.getId();
if(modifiedTopics.has(key)){
pos = modifiedTopics.get(key).originalPos;
}
modifiedTopics.set(key,{originalPos:pos, newPos:newPos});
}
}
});