mxgraph
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mxGraph is a fully client side JavaScript diagramming library that uses SVG and HTML for rendering.
201 lines (181 loc) • 4.03 kB
JavaScript
/**
* Copyright (c) 2006-2015, JGraph Ltd
* Copyright (c) 2006-2015, Gaudenz Alder
*/
/**
* Class: mxGraphAbstractHierarchyCell
*
* An abstraction of an internal hierarchy node or edge
*
* Constructor: mxGraphAbstractHierarchyCell
*
* Constructs a new hierarchical layout algorithm.
*/
function mxGraphAbstractHierarchyCell()
{
this.x = [];
this.y = [];
this.temp = [];
};
/**
* Variable: maxRank
*
* The maximum rank this cell occupies. Default is -1.
*/
mxGraphAbstractHierarchyCell.prototype.maxRank = -1;
/**
* Variable: minRank
*
* The minimum rank this cell occupies. Default is -1.
*/
mxGraphAbstractHierarchyCell.prototype.minRank = -1;
/**
* Variable: x
*
* The x position of this cell for each layer it occupies
*/
mxGraphAbstractHierarchyCell.prototype.x = null;
/**
* Variable: y
*
* The y position of this cell for each layer it occupies
*/
mxGraphAbstractHierarchyCell.prototype.y = null;
/**
* Variable: width
*
* The width of this cell. Default is 0.
*/
mxGraphAbstractHierarchyCell.prototype.width = 0;
/**
* Variable: height
*
* The height of this cell. Default is 0.
*/
mxGraphAbstractHierarchyCell.prototype.height = 0;
/**
* Variable: nextLayerConnectedCells
*
* A cached version of the cells this cell connects to on the next layer up
*/
mxGraphAbstractHierarchyCell.prototype.nextLayerConnectedCells = null;
/**
* Variable: previousLayerConnectedCells
*
* A cached version of the cells this cell connects to on the next layer down
*/
mxGraphAbstractHierarchyCell.prototype.previousLayerConnectedCells = null;
/**
* Variable: temp
*
* Temporary variable for general use. Generally, try to avoid
* carrying information between stages. Currently, the longest
* path layering sets temp to the rank position in fixRanks()
* and the crossing reduction uses this. This meant temp couldn't
* be used for hashing the nodes in the model dfs and so hashCode
* was created
*/
mxGraphAbstractHierarchyCell.prototype.temp = null;
/**
* Function: getNextLayerConnectedCells
*
* Returns the cells this cell connects to on the next layer up
*/
mxGraphAbstractHierarchyCell.prototype.getNextLayerConnectedCells = function(layer)
{
return null;
};
/**
* Function: getPreviousLayerConnectedCells
*
* Returns the cells this cell connects to on the next layer down
*/
mxGraphAbstractHierarchyCell.prototype.getPreviousLayerConnectedCells = function(layer)
{
return null;
};
/**
* Function: isEdge
*
* Returns whether or not this cell is an edge
*/
mxGraphAbstractHierarchyCell.prototype.isEdge = function()
{
return false;
};
/**
* Function: isVertex
*
* Returns whether or not this cell is a node
*/
mxGraphAbstractHierarchyCell.prototype.isVertex = function()
{
return false;
};
/**
* Function: getGeneralPurposeVariable
*
* Gets the value of temp for the specified layer
*/
mxGraphAbstractHierarchyCell.prototype.getGeneralPurposeVariable = function(layer)
{
return null;
};
/**
* Function: setGeneralPurposeVariable
*
* Set the value of temp for the specified layer
*/
mxGraphAbstractHierarchyCell.prototype.setGeneralPurposeVariable = function(layer, value)
{
return null;
};
/**
* Function: setX
*
* Set the value of x for the specified layer
*/
mxGraphAbstractHierarchyCell.prototype.setX = function(layer, value)
{
if (this.isVertex())
{
this.x[0] = value;
}
else if (this.isEdge())
{
this.x[layer - this.minRank - 1] = value;
}
};
/**
* Function: getX
*
* Gets the value of x on the specified layer
*/
mxGraphAbstractHierarchyCell.prototype.getX = function(layer)
{
if (this.isVertex())
{
return this.x[0];
}
else if (this.isEdge())
{
return this.x[layer - this.minRank - 1];
}
return 0.0;
};
/**
* Function: setY
*
* Set the value of y for the specified layer
*/
mxGraphAbstractHierarchyCell.prototype.setY = function(layer, value)
{
if (this.isVertex())
{
this.y[0] = value;
}
else if (this.isEdge())
{
this.y[layer -this. minRank - 1] = value;
}
};