<!--
Copyright (c) 2006-2013, JGraph Ltd
Orgchart example for mxGraph. This example demonstrates using
automatic layouts, fit to page zoom and poster print (across
multiple pages).
-->
<html>
<head>
<title>Orgchart example for mxGraph</title>
<!-- Sets the basepath for the library if not in same directory -->
<script type="text/javascript">
mxBasePath = '../src';
</script>
<!-- Loads and initializes the library -->
<script type="text/javascript" src="../src/js/mxClient.js"></script>
<!-- Example code -->
<script type="text/javascript">
// Makes the shadow brighter
mxConstants.SHADOWCOLOR = '#C0C0C0';
// Program starts here. Creates a sample graph in the
// DOM node with the specified ID. This function is invoked
// from the onLoad event handler of the document (see below).
function main()
{
// Checks if browser is supported
if (!mxClient.isBrowserSupported())
{
// Displays an error message if the browser is
// not supported.
mxUtils.error('Browser is not supported!', 200, false);
}
else
{
// Workaround for Internet Explorer ignoring certain styles
var container = document.createElement('div');
container.style.position = 'absolute';
container.style.overflow = 'hidden';
container.style.left = '0px';
container.style.top = '0px';
container.style.right = '0px';
container.style.bottom = '0px';
var outline = document.getElementById('outlineContainer');
mxEvent.disableContextMenu(container);
if (mxClient.IS_QUIRKS)
{
document.body.style.overflow = 'hidden';
new mxDivResizer(container);
new mxDivResizer(outline);
}
// Sets a gradient background
if (mxClient.IS_GC || mxClient.IS_SF)
{
container.style.background = '-webkit-gradient(linear, 0% 0%, 0% 100%, from(#FFFFFF), to(#E7E7E7))';
}
else if (mxClient.IS_NS)
{
container.style.background = '-moz-linear-gradient(top, #FFFFFF, #E7E7E7)';
}
else if (mxClient.IS_IE)
{
container.style.filter = 'progid:DXImageTransform.Microsoft.Gradient('+
'StartColorStr=\'#FFFFFF\', EndColorStr=\'#E7E7E7\', GradientType=0)';
}
document.body.appendChild(container);
// Creates the graph inside the given container
var graph = new mxGraph(container);
// Enables automatic sizing for vertices after editing and
// panning by using the left mouse button.
graph.setCellsMovable(false);
graph.setAutoSizeCells(true);
graph.setPanning(true);
graph.centerZoom = false;
graph.panningHandler.useLeftButtonForPanning = true;
// Displays a popupmenu when the user clicks
// on a cell (using the left mouse button) but
// do not select the cell when the popup menu
// is displayed
graph.panningHandler.popupMenuHandler = false;
// Creates the outline (navigator, overview) for moving
// around the graph in the top, right corner of the window.
var outln = new mxOutline(graph, outline);
// Disables tooltips on touch devices
graph.setTooltips(!mxClient.IS_TOUCH);
// Set some stylesheet options for the visual appearance of vertices
var style = graph.getStylesheet().getDefaultVertexStyle();
style[mxConstants.STYLE_SHAPE] = 'label';
style[mxConstants.STYLE_VERTICAL_ALIGN] = mxConstants.ALIGN_MIDDLE;
style[mxConstants.STYLE_ALIGN] = mxConstants.ALIGN_LEFT;
style[mxConstants.STYLE_SPACING_LEFT] = 54;
style[mxConstants.STYLE_GRADIENTCOLOR] = '#7d85df';
style[mxConstants.STYLE_STROKECOLOR] = '#5d65df';
style[mxConstants.STYLE_FILLCOLOR] = '#adc5ff';
style[mxConstants.STYLE_FONTCOLOR] = '#1d258f';
style[mxConstants.STYLE_FONTFAMILY] = 'Verdana';
style[mxConstants.STYLE_FONTSIZE] = '12';
style[mxConstants.STYLE_FONTSTYLE] = '1';
style[mxConstants.STYLE_SHADOW] = '1';
style[mxConstants.STYLE_ROUNDED] = '1';
style[mxConstants.STYLE_GLASS] = '1';
style[mxConstants.STYLE_IMAGE] = 'editors/images/dude3.png';
style[mxConstants.STYLE_IMAGE_WIDTH] = '48';
style[mxConstants.STYLE_IMAGE_HEIGHT] = '48';
style[mxConstants.STYLE_SPACING] = 8;
// Sets the default style for edges
style = graph.getStylesheet().getDefaultEdgeStyle();
style[mxConstants.STYLE_ROUNDED] = true;
style[mxConstants.STYLE_STROKEWIDTH] = 3;
style[mxConstants.STYLE_EXIT_X] = 0.5; // center
style[mxConstants.STYLE_EXIT_Y] = 1.0; // bottom
style[mxConstants.STYLE_EXIT_PERIMETER] = 0; // disabled
style[mxConstants.STYLE_ENTRY_X] = 0.5; // center
style[mxConstants.STYLE_ENTRY_Y] = 0; // top
style[mxConstants.STYLE_ENTRY_PERIMETER] = 0; // disabled
// Disable the following for straight lines
style[mxConstants.STYLE_EDGE] = mxEdgeStyle.TopToBottom;
// Stops editing on enter or escape keypress
var keyHandler = new mxKeyHandler(graph);
// Enables automatic layout on the graph and installs
// a tree layout for all groups who's children are
// being changed, added or removed.
var layout = new mxCompactTreeLayout(graph, false);
layout.useBoundingBox = false;
layout.edgeRouting = false;
layout.levelDistance = 60;
layout.nodeDistance = 16;
// Allows the layout to move cells even though cells
// aren't movable in the graph
layout.isVertexMovable = function(cell)
{
return true;
};
var layoutMgr = new mxLayoutManager(graph);
layoutMgr.getLayout = function(cell)
{
if (cell.getChildCount() > 0)
{
return layout;
}
};
// Installs a popupmenu handler using local function (see below).
graph.popupMenuHandler.factoryMethod = function(menu, cell, evt)
{
return createPopupMenu(graph, menu, cell, evt);
};
// Fix for wrong preferred size
var oldGetPreferredSizeForCell = graph.getPreferredSizeForCell;
graph.getPreferredSizeForCell = function(cell)
{
var result = oldGetPreferredSizeForCell.apply(this, arguments);
if (result != null)
{
result.width = Math.max(120, result.width - 40);
}
return result;
};
// Sets the maximum text scale to 1
graph.cellRenderer.getTextScale = function(state)
{
return Math.min(1, state.view.scale);
};
// Dynamically adds text to the label as we zoom in
// (without affecting the preferred size for new cells)
graph.cellRenderer.getLabelValue = function(state)
{
var result = state.cell.value;
if (state.view.graph.getModel().isVertex(state.cell))
{
if (state.view.scale > 1)
{
result += '\nDetails 1';
}
if (state.view.scale > 1.3)
{
result += '\nDetails 2';
}
}
return result;
};
// Gets the default parent for inserting new cells. This
// is normally the first child of the root (ie. layer 0).
var parent = graph.getDefaultParent();
// Adds the root vertex of the tree
graph.getModel().beginUpdate();
try
{
var w = graph.container.offsetWidth;
var v1 = graph.insertVertex(parent, 'treeRoot',
'Organization', w/2 - 30, 20, 140, 60, 'image=editors/images/house.png');
graph.updateCellSize(v1);
addOverlays(graph, v1, false);
}
finally
{
// Updates the display
graph.getModel().endUpdate();
}
var content = document.createElement('div');
content.style.padding = '4px';
var tb = new mxToolbar(content);
tb.addItem('Zoom In', 'images/zoom_in32.png',function(evt)
{
graph.zoomIn();
});
tb.addItem('Zoom Out', 'images/zoom_out32.png',function(evt)
{
graph.zoomOut();
});
tb.addItem('Actual Size', 'images/view_1_132.png',function(evt)
{
graph.zoomActual();
});
tb.addItem('Print', 'images/print32.png',function(evt)
{
var preview = new mxPrintPreview(graph, 1);
preview.open();
});
tb.addItem('Poster Print', 'images/press32.png',function(evt)
{
var pageCount = mxUtils.prompt('Enter maximum page count', '1');
if (pageCount != null)
{
var scale = mxUtils.getScaleForPageCount(pageCount, graph);
var preview = new mxPrintPreview(graph, scale);
preview.open();
}
});
wnd = new mxWindow('Tools', content, 0, 0, 200, 66, false);
wnd.setMaximizable(false);
wnd.setScrollable(false);
wnd.setResizable(false);
wnd.setVisible(true);
}
};
// Function to create the entries in the popupmenu
function createPopupMenu(graph, menu, cell, evt)
{
var model = graph.getModel();
if (cell != null)
{
if (model.isVertex(cell))
{
menu.addItem('Add child', 'editors/images/overlays/check.png', function()
{
addChild(graph, cell);
});
}
menu.addItem('Edit label', 'editors/images/text.gif', function()
{
graph.startEditingAtCell(cell);
});
if (cell.id != 'treeRoot' &&
model.isVertex(cell))
{
menu.addItem('Delete', 'editors/images/delete.gif', function()
{
deleteSubtree(graph, cell);
});
}
menu.addSeparator();
}
menu.addItem('Fit', 'editors/images/zoom.gif', function()
{
graph.fit();
});
menu.addItem('Actual', 'editors/images/zoomactual.gif', function()
{
graph.zoomActual();
});
menu.addSeparator();
menu.addItem('Print', 'editors/images/print.gif', function()
{
var preview = new mxPrintPreview(graph, 1);
preview.open();
});
menu.addItem('Poster Print', 'editors/images/print.gif', function()
{
var pageCount = mxUtils.prompt('Enter maximum page count', '1');
if (pageCount != null)
{
var scale = mxUtils.getScaleForPageCount(pageCount, graph);
var preview = new mxPrintPreview(graph, scale);
preview.open();
}
});
};
function addOverlays(graph, cell, addDeleteIcon)
{
var overlay = new mxCellOverlay(new mxImage('images/add.png', 24, 24), 'Add child');
overlay.cursor = 'hand';
overlay.align = mxConstants.ALIGN_CENTER;
overlay.addListener(mxEvent.CLICK, mxUtils.bind(this, function(sender, evt)
{
addChild(graph, cell);
}));
graph.addCellOverlay(cell, overlay);
if (addDeleteIcon)
{
overlay = new mxCellOverlay(new mxImage('images/close.png', 30, 30), 'Delete');
overlay.cursor = 'hand';
overlay.offset = new mxPoint(-4, 8);
overlay.align = mxConstants.ALIGN_RIGHT;
overlay.verticalAlign = mxConstants.ALIGN_TOP;
overlay.addListener(mxEvent.CLICK, mxUtils.bind(this, function(sender, evt)
{
deleteSubtree(graph, cell);
}));
graph.addCellOverlay(cell, overlay);
}
};
function addChild(graph, cell)
{
var model = graph.getModel();
var parent = graph.getDefaultParent();
var vertex;
model.beginUpdate();
try
{
vertex = graph.insertVertex(parent, null, 'Double click to set name');
var geometry = model.getGeometry(vertex);
// Updates the geometry of the vertex with the
// preferred size computed in the graph
var size = graph.getPreferredSizeForCell(vertex);
geometry.width = size.width;
geometry.height = size.height;
// Adds the edge between the existing cell
// and the new vertex and executes the
// automatic layout on the parent
var edge = graph.insertEdge(parent, null, '', cell, vertex);
// Configures the edge label "in-place" to reside
// at the end of the edge (x = 1) and with an offset
// of 20 pixels in negative, vertical direction.
edge.geometry.x = 1;
edge.geometry.y = 0;
edge.geometry.offset = new mxPoint(0, -20);
addOverlays(graph, vertex, true);
}
finally
{
model.endUpdate();
}
return vertex;
};
function deleteSubtree(graph, cell)
{
// Gets the subtree from cell downwards
var cells = [];
graph.traverse(cell, true, function(vertex)
{
cells.push(vertex);
return true;
});
graph.removeCells(cells);
};
</script>
</head>
<!-- Calls the main function after the page has loaded. Container is dynamically created. -->
<body onload="main();">
<!-- Creates a container for the outline -->
<div id="outlineContainer"
style="z-index:1;position:absolute;overflow:hidden;top:0px;right:0px;width:160px;height:120px;background:transparent;border-style:solid;border-color:lightgray;">
</div>
</body>
</html>