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schema.html
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<!--
$Id: schema.html,v 1.68 2013/04/29 14:25:01 david Exp $
Copyright (c) 2006-2010, JGraph Ltd
Schema example for mxGraph. This example demonstrates implementing
a SQL schema editor.
-->
<html>
<head>
<title>Schema example</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">
// 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(container, outline, toolbar, sidebar, status)
{
// Checks if the 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
{
// Specifies shadow opacity, color and offset
mxConstants.SHADOW_OPACITY = 0.5;
mxConstants.SHADOWCOLOR = '#C0C0C0';
mxConstants.SHADOW_OFFSET_X = 5;
mxConstants.SHADOW_OFFSET_Y = 6;
// Table icon dimensions and position
mxSwimlane.prototype.imageSize = 20;
mxSwimlane.prototype.imageDx = 16;
mxSwimlane.prototype.imageDy = 4;
// Implements white content area for swimlane in SVG
mxSwimlaneCreateSvg = mxSwimlane.prototype.createSvg;
mxSwimlane.prototype.createSvg = function()
{
var node = mxSwimlaneCreateSvg.apply(this, arguments);
this.content.setAttribute('fill', '#FFFFFF');
return node;
};
// Implements full-height shadow for SVG
mxSwimlaneReconfigure = mxSwimlane.prototype.reconfigure;
mxSwimlane.prototype.reconfigure = function(node)
{
mxSwimlaneReconfigure.apply(this, arguments);
if (this.dialect == mxConstants.DIALECT_SVG && this.shadowNode != null)
{
this.shadowNode.setAttribute('height', this.bounds.height);
}
};
// Implements table icon position and full-height shadow for SVG repaints
mxSwimlaneRedrawSvg = mxSwimlane.prototype.redrawSvg;
mxSwimlane.prototype.redrawSvg = function()
{
mxSwimlaneRedrawSvg.apply(this, arguments);
// Full-height shadow
if (this.dialect == mxConstants.DIALECT_SVG && this.shadowNode != null)
{
this.shadowNode.setAttribute('height', this.bounds.height);
}
// Positions table icon
if (this.imageNode != null)
{
this.imageNode.setAttribute('x', this.bounds.x + this.imageDx * this.scale);
this.imageNode.setAttribute('y', this.bounds.y + this.imageDy * this.scale);
}
};
// Implements table icon position for swimlane in VML
mxSwimlaneRedrawVml = mxSwimlane.prototype.redrawVml;
mxSwimlane.prototype.redrawVml = function()
{
mxSwimlaneRedrawVml.apply(this, arguments);
// Positions table icon
if (this.imageNode != null)
{
this.imageNode.style.left = Math.floor(this.imageDx * this.scale) + 'px';
this.imageNode.style.top = Math.floor(this.imageDy * this.scale) + 'px';
}
};
// Replaces the built-in shadow with a custom shadow and adds
// white content area for swimlane in VML
mxSwimlaneCreateVml = mxSwimlane.prototype.createVml;
mxSwimlane.prototype.createVml = function()
{
this.isShadow = false;
var node = mxSwimlaneCreateVml.apply(this, arguments);
this.shadowNode = document.createElement('v:rect');
// Position and size of shadow are static
this.shadowNode.style.left = mxConstants.SHADOW_OFFSET_X + 'px';
this.shadowNode.style.top = mxConstants.SHADOW_OFFSET_Y + 'px';
this.shadowNode.style.width = '100%'
this.shadowNode.style.height = '100%'
// Color for shadow fill
var fillNode = document.createElement('v:fill');
this.updateVmlFill(fillNode, mxConstants.SHADOWCOLOR, null, null, mxConstants.SHADOW_OPACITY * 100);
this.shadowNode.appendChild(fillNode);
// Color and weight of shadow stroke
this.shadowNode.setAttribute('strokecolor', mxConstants.SHADOWCOLOR);
this.shadowNode.setAttribute('strokeweight', (this.strokewidth * this.scale) + 'px');
// Opacity of stroke
var strokeNode = document.createElement('v:stroke');
strokeNode.setAttribute('opacity', (mxConstants.SHADOW_OPACITY * 100) + '%');
this.shadowNode.appendChild(strokeNode);
node.insertBefore(this.shadowNode, node.firstChild);
// White content area of swimlane
this.content.setAttribute('fillcolor', 'white');
this.content.setAttribute('filled', 'true');
// Sets opacity on content area fill
if (this.opacity != null)
{
var contentFillNode = document.createElement('v:fill');
contentFillNode.setAttribute('opacity', this.opacity + '%');
this.content.appendChild(contentFillNode);
}
return node;
};
// Defines an icon for creating new connections in the connection handler.
// This will automatically disable the highlighting of the source vertex.
mxConnectionHandler.prototype.connectImage = new mxImage('images/connector.gif', 16, 16);
// Prefetches all images that appear in colums
// to avoid problems with the auto-layout
var keyImage = new Image();
keyImage.src = "images/key.png";
var plusImage = new Image();
plusImage.src = "images/plus.png";
var checkImage = new Image();
checkImage.src = "images/check.png";
// Workaround for Internet Explorer ignoring certain CSS directives
if (mxClient.IS_QUIRKS)
{
document.body.style.overflow = 'hidden';
new mxDivResizer(container);
new mxDivResizer(outline);
new mxDivResizer(toolbar);
new mxDivResizer(sidebar);
new mxDivResizer(status);
}
// Creates the graph inside the given container. The
// editor is used to create certain functionality for the
// graph, such as the rubberband selection, but most parts
// of the UI are custom in this example.
var editor = new mxEditor();
var graph = editor.graph;
var model = graph.model;
// Disables some global features
graph.setConnectable(true);
graph.setCellsDisconnectable(false);
graph.setCellsCloneable(false);
graph.swimlaneNesting = false;
graph.dropEnabled = true;
// Does not allow dangling edges
graph.setAllowDanglingEdges(false);
// Forces use of default edge in mxConnectionHandler
graph.connectionHandler.factoryMethod = null;
// Only tables are resizable
graph.isCellResizable = function(cell)
{
return this.isSwimlane(cell);
};
// Only tables are movable
graph.isCellMovable = function(cell)
{
return this.isSwimlane(cell);
};
// Sets the graph container and configures the editor
editor.setGraphContainer(container);
var config = mxUtils.load(
'editors/config/keyhandler-minimal.xml').
getDocumentElement();
editor.configure(config);
// Configures the automatic layout for the table columns
editor.layoutSwimlanes = true;
editor.createSwimlaneLayout = function ()
{
var layout = new mxStackLayout(this.graph, false);
layout.fill = true;
layout.resizeParent = true;
// Overrides the function to always return true
layout.isVertexMovable = function(cell)
{
return true;
};
return layout;
};
// Text label changes will go into the name field of the user object
graph.model.valueForCellChanged = function(cell, value)
{
if (value.name != null)
{
return mxGraphModel.prototype.valueForCellChanged.apply(this, arguments);
}
else
{
var old = cell.value.name;
cell.value.name = value;
return old;
}
};
// Columns are dynamically created HTML labels
graph.isHtmlLabel = function(cell)
{
return !this.isSwimlane(cell) &&
!this.model.isEdge(cell);
};
// Edges are not editable
graph.isCellEditable = function(cell)
{
return !this.model.isEdge(cell);
};
// Returns the name field of the user object for the label
graph.convertValueToString = function(cell)
{
if (cell.value != null && cell.value.name != null)
{
return cell.value.name;
}
return mxGraph.prototype.convertValueToString.apply(this, arguments); // "supercall"
};
// Returns the type as the tooltip for column cells
graph.getTooltip = function(state)
{
if (this.isHtmlLabel(state.cell))
{
return 'Type: '+state.cell.value.type;
}
else if (this.model.isEdge(state.cell))
{
var source = this.model.getTerminal(state.cell, true);
var parent = this.model.getParent(source);
return parent.value.name+'.'+source.value.name;
}
return mxGraph.prototype.getTooltip.apply(this, arguments); // "supercall"
};
// Creates a dynamic HTML label for column fields
graph.getLabel = function(cell)
{
if (this.isHtmlLabel(cell))
{
var label = '';
if (cell.value.primaryKey)
{
label += '<img title="Primary Key" src="images/key.png" width="16" height="16" align="top"> ';
}
else
{
label += '<img src="images/spacer.gif" width="16" height="1"> ';
}
if (cell.value.autoIncrement)
{
label += '<img title="Auto Increment" src="images/plus.png" width="16" height="16" align="top"> ';
}
else if (cell.value.unique)
{
label += '<img title="Unique" src="images/check.png" width="16" height="16" align="top"> ';
}
else
{
label += '<img src="images/spacer.gif" width="16" height="1"> ';
}
return label + mxUtils.htmlEntities(cell.value.name, false) + ': ' +
mxUtils.htmlEntities(cell.value.type, false);
}
return mxGraph.prototype.getLabel.apply(this, arguments); // "supercall"
};
// Removes the source vertex if edges are removed
graph.addListener(mxEvent.REMOVE_CELLS, function(sender, evt)
{
var cells = evt.getProperty('cells');
for (var i = 0; i < cells.length; i++)
{
var cell = cells[i];
if (this.model.isEdge(cell))
{
var terminal = this.model.getTerminal(cell, true);
var parent = this.model.getParent(terminal);
this.model.remove(terminal);
}
}
});
// Disables drag-and-drop into non-swimlanes.
graph.isValidDropTarget = function(cell, cells, evt)
{
return this.isSwimlane(cell);
};
// Installs a popupmenu handler using local function (see below).
graph.panningHandler.factoryMethod = function(menu, cell, evt)
{
createPopupMenu(editor, graph, menu, cell, evt);
};
// Adds all required styles to the graph (see below)
configureStylesheet(graph);
// Adds sidebar icon for the table object
var tableObject = new Table('TABLENAME');
var table = new mxCell(tableObject, new mxGeometry(0, 0, 200, 28), 'table');
table.setVertex(true);
addSidebarIcon(graph, sidebar, table, 'images/icons48/table.png');
// Adds sidebar icon for the column object
var columnObject = new Column('COLUMNNAME');
var column = new mxCell(columnObject, new mxGeometry(0, 0, 0, 26));
column.setVertex(true);
column.setConnectable(false);
addSidebarIcon(graph, sidebar, column, 'images/icons48/column.png');
// Adds primary key field into table
var firstColumn = column.clone();
firstColumn.value.name = 'TABLENAME_ID';
firstColumn.value.type = 'INTEGER';
firstColumn.value.primaryKey = true;
firstColumn.value.autoIncrement = true;
table.insert(firstColumn);
// Adds child columns for new connections between tables
graph.addEdge = function(edge, parent, source, target, index)
{
// Finds the primary key child of the target table
var primaryKey = null;
var childCount = this.model.getChildCount(target);
for (var i=0; i < childCount; i++)
{
var child = this.model.getChildAt(target, i);
if (child.value.primaryKey)
{
primaryKey = child;
break;
}
}
if (primaryKey == null)
{
mxUtils.alert('Target table must have a primary key');
return;
}
this.model.beginUpdate();
try
{
var col1 = this.model.cloneCell(column);
col1.value.name = primaryKey.value.name;
col1.value.type = primaryKey.value.type;
this.addCell(col1, source);
source = col1;
target = primaryKey;
return mxGraph.prototype.addEdge.apply(this, arguments); // "supercall"
}
finally
{
this.model.endUpdate();
}
return null;
};
// Displays useful hints in a small semi-transparent box.
var hints = document.createElement('div');
hints.style.position = 'absolute';
hints.style.overflow = 'hidden';
hints.style.width = '230px';
hints.style.bottom = '56px';
hints.style.height = '86px';
hints.style.right = '20px';
hints.style.background = 'black';
hints.style.color = 'white';
hints.style.fontFamily = 'Arial';
hints.style.fontSize = '10px';
hints.style.padding = '4px';
mxUtils.setOpacity(hints, 50);
mxUtils.writeln(hints, '- Drag an image from the sidebar to the graph');
mxUtils.writeln(hints, '- Doubleclick on a table or column to edit');
mxUtils.writeln(hints, '- Shift- or Rightclick and drag for panning');
mxUtils.writeln(hints, '- Move the mouse over a cell to see a tooltip');
mxUtils.writeln(hints, '- Click and drag a table to move and connect');
mxUtils.writeln(hints, '- Shift- or Rightclick to show a popup menu');
document.body.appendChild(hints);
// Creates a new DIV that is used as a toolbar and adds
// toolbar buttons.
var spacer = document.createElement('div');
spacer.style.display = 'inline';
spacer.style.padding = '8px';
addToolbarButton(editor, toolbar, 'properties', 'Properties', 'editors/images/properties.gif');
// Defines a new export action
editor.addAction('properties', function(editor, cell)
{
if (cell == null)
{
cell = graph.getSelectionCell();
}
if (graph.isHtmlLabel(cell))
{
showProperties(graph, cell);
}
});
addToolbarButton(editor, toolbar, 'delete', 'Delete', 'images/delete2.png');
toolbar.appendChild(spacer.cloneNode(true));
addToolbarButton(editor, toolbar, 'undo', '', 'images/undo.png');
addToolbarButton(editor, toolbar, 'redo', '', 'images/redo.png');
toolbar.appendChild(spacer.cloneNode(true));
addToolbarButton(editor, toolbar, 'show', 'Show', 'images/camera.png');
addToolbarButton(editor, toolbar, 'print', 'Print', 'images/printer.png');
toolbar.appendChild(spacer.cloneNode(true));
// Defines a create SQK action
editor.addAction('showSql', function(editor, cell)
{
var sql = createSql(graph);
if (sql.length > 0)
{
var textarea = document.createElement('textarea');
textarea.style.width = '400px';
textarea.style.height = '400px';
textarea.value = sql;
showModalWindow('SQL', textarea, 410, 440);
}
else
{
mxUtils.alert('Schema is empty');
}
});
// Defines a new export action
editor.addAction('createGears', function(editor, cell)
{
var sql = createSql(graph);
if (sql.length > 0)
{
loadGoogleGears();
try
{
var db = google.gears.factory.create('beta.database', '1.0');
var name = mxUtils.prompt('Enter name of new database', 'MyDatabase');
if (name != null)
{
db.open(name);
// Checks if database is empty
var rs = db.execute('SELECT * FROM sqlite_master');
if (rs.isValidRow())
{
if (mxUtils.confirm(name+' exists. Do you want to continue? This will replace existing tables.') == 0)
{
return;
}
}
try
{
db.execute(sql);
mxUtils.alert(name+' successfully created');
}
catch (e)
{
mxUtils.alert('SQL Error: '+e.message);
}
}
}
catch (e)
{
mxUtils.alert('Google Gears is not available: '+e.message);
}
}
else
{
mxUtils.alert('Schema is empty');
}
});
addToolbarButton(editor, toolbar, 'showSql', 'Show SQL', 'images/export1.png');
addToolbarButton(editor, toolbar, 'createGears', 'Create in Google Gears', 'images/export1.png');
toolbar.appendChild(spacer.cloneNode(true));
// Defines export XML action
editor.addAction('export', function(editor, cell)
{
var textarea = document.createElement('textarea');
textarea.style.width = '400px';
textarea.style.height = '400px';
var enc = new mxCodec(mxUtils.createXmlDocument());
var node = enc.encode(editor.graph.getModel());
textarea.value = mxUtils.getPrettyXml(node);
showModalWindow('XML', textarea, 410, 440);
});
addToolbarButton(editor, toolbar, 'export', 'Export XML', 'images/export1.png');
// Adds toolbar buttons into the status bar at the bottom
// of the window.
addToolbarButton(editor, status, 'collapseAll', 'Collapse All', 'images/navigate_minus.png', true);
addToolbarButton(editor, status, 'expandAll', 'Expand All', 'images/navigate_plus.png', true);
status.appendChild(spacer.cloneNode(true));
addToolbarButton(editor, status, 'zoomIn', '', 'images/zoom_in.png', true);
addToolbarButton(editor, status, 'zoomOut', '', 'images/zoom_out.png', true);
addToolbarButton(editor, status, 'actualSize', '', 'images/view_1_1.png', true);
addToolbarButton(editor, status, 'fit', '', 'images/fit_to_size.png', true);
// Creates the outline (navigator, overview) for moving
// around the graph in the top, right corner of the window.
var outln = new mxOutline(graph, outline);
// Fades-out the splash screen after the UI has been loaded.
var splash = document.getElementById('splash');
if (splash != null)
{
try
{
mxEvent.release(splash);
mxEffects.fadeOut(splash, 100, true);
}
catch (e)
{
// mxUtils is not available (library not loaded)
splash.parentNode.removeChild(splash);
}
}
}
}
function addToolbarButton(editor, toolbar, action, label, image, isTransparent)
{
var button = document.createElement('button');
button.style.fontSize = '10';
if (image != null)
{
var img = document.createElement('img');
img.setAttribute('src', image);
img.style.width = '16px';
img.style.height = '16px';
img.style.verticalAlign = 'middle';
img.style.marginRight = '2px';
button.appendChild(img);
}
if (isTransparent)
{
button.style.background = 'transparent';
button.style.color = '#FFFFFF';
button.style.border = 'none';
}
mxEvent.addListener(button, 'click', function(evt)
{
editor.execute(action);
});
mxUtils.write(button, label);
toolbar.appendChild(button);
};
function showModalWindow(title, content, width, height)
{
var background = document.createElement('div');
background.style.position = 'absolute';
background.style.left = '0px';
background.style.top = '0px';
background.style.right = '0px';
background.style.bottom = '0px';
background.style.background = 'black';
mxUtils.setOpacity(background, 50);
document.body.appendChild(background);
if (mxClient.IS_QUIRKS)
{
new mxDivResizer(background);
}
var x = Math.max(0, document.body.scrollWidth/2-width/2);
var y = Math.max(10, (document.body.scrollHeight ||
document.documentElement.scrollHeight)/2-height*2/3);
var wnd = new mxWindow(title, content, x, y, width, height, false, true);
wnd.setClosable(true);
// Fades the background out after after the window has been closed
wnd.addListener(mxEvent.DESTROY, function(evt)
{
mxEffects.fadeOut(background, 50, true,
10, 30, true);
});
wnd.setVisible(true);
return wnd;
};
function addSidebarIcon(graph, sidebar, prototype, image)
{
// Function that is executed when the image is dropped on
// the graph. The cell argument points to the cell under
// the mousepointer if there is one.
var funct = function(graph, evt, cell)
{
graph.stopEditing(false);
var pt = graph.getPointForEvent(evt);
var parent = graph.getDefaultParent();
var model = graph.getModel();
var isTable = graph.isSwimlane(prototype);
var name = null;
if (!isTable)
{
parent = cell
var pstate = graph.getView().getState(parent);
if (parent == null || pstate == null)
{
mxUtils.alert('Drop target must be a table');
return;
}
pt.x -= pstate.x;
pt.y -= pstate.y;
var columnCount = graph.model.getChildCount(parent)+1;
name = mxUtils.prompt('Enter name for new column', 'COLUMN'+columnCount);
}
else
{
var tableCount = 0;
var childCount = graph.model.getChildCount(parent);
for (var i=0; i<childCount; i++)
{
if (!graph.model.isEdge(graph.model.getChildAt(parent, i)))
{
tableCount++;
}
}
var name = mxUtils.prompt('Enter name for new table', 'TABLE'+(tableCount+1));
}
if (name != null)
{
var v1 = model.cloneCell(prototype);
model.beginUpdate();
try
{
v1.value.name = name;
v1.geometry.x = pt.x;
v1.geometry.y = pt.y;
graph.addCell(v1, parent);
if (isTable)
{
v1.geometry.alternateBounds = new mxRectangle(0, 0, v1.geometry.width, v1.geometry.height);
v1.children[0].value.name = name + '_ID';
}
}
finally
{
model.endUpdate();
}
graph.setSelectionCell(v1);
}
}
// Creates the image which is used as the sidebar icon (drag source)
var img = document.createElement('img');
img.setAttribute('src', image);
img.style.width = '48px';
img.style.height = '48px';
img.title = 'Drag this to the diagram to create a new vertex';
sidebar.appendChild(img);
// Creates the image which is used as the drag icon (preview)
var dragImage = img.cloneNode(true);
var ds = mxUtils.makeDraggable(img, graph, funct, dragImage);
// Adds highlight of target tables for columns
ds.highlightDropTargets = true;
ds.getDropTarget = function(graph, x, y)
{
if (graph.isSwimlane(prototype))
{
return null;
}
else
{
var cell = graph.getCellAt(x, y);
if (graph.isSwimlane(cell))
{
return cell;
}
else
{
var parent = graph.getModel().getParent(cell);
if (graph.isSwimlane(parent))
{
return parent;
}
}
}
};
};
function configureStylesheet(graph)
{
var style = new Object();
style[mxConstants.STYLE_SHAPE] = mxConstants.SHAPE_RECTANGLE;
style[mxConstants.STYLE_PERIMETER] = mxPerimeter.RectanglePerimeter;
style[mxConstants.STYLE_ALIGN] = mxConstants.ALIGN_LEFT;
style[mxConstants.STYLE_VERTICAL_ALIGN] = mxConstants.ALIGN_MIDDLE;
style[mxConstants.STYLE_FONTCOLOR] = '#000000';
style[mxConstants.STYLE_FONTSIZE] = '11';
style[mxConstants.STYLE_FONTSTYLE] = 0;
style[mxConstants.STYLE_SPACING_LEFT] = '4';
style[mxConstants.STYLE_IMAGE_WIDTH] = '48';
style[mxConstants.STYLE_IMAGE_HEIGHT] = '48';
graph.getStylesheet().putDefaultVertexStyle(style);
style = new Object();
style[mxConstants.STYLE_SHAPE] = mxConstants.SHAPE_SWIMLANE;
style[mxConstants.STYLE_PERIMETER] = mxPerimeter.RectanglePerimeter;
style[mxConstants.STYLE_ALIGN] = mxConstants.ALIGN_CENTER;
style[mxConstants.STYLE_VERTICAL_ALIGN] = mxConstants.ALIGN_TOP;
style[mxConstants.STYLE_GRADIENTCOLOR] = '#41B9F5';
style[mxConstants.STYLE_FILLCOLOR] = '#8CCDF5';
style[mxConstants.STYLE_STROKECOLOR] = '#1B78C8';
style[mxConstants.STYLE_FONTCOLOR] = '#000000';
style[mxConstants.STYLE_STROKEWIDTH] = '2';
style[mxConstants.STYLE_STARTSIZE] = '28';
style[mxConstants.STYLE_VERTICAL_ALIGN] = 'middle';
style[mxConstants.STYLE_FONTSIZE] = '12';
style[mxConstants.STYLE_FONTSTYLE] = 1;
style[mxConstants.STYLE_IMAGE] = 'images/icons48/table.png';
// Looks better without opacity if shadow is enabled
//style[mxConstants.STYLE_OPACITY] = '80';
style[mxConstants.STYLE_SHADOW] = 1;
graph.getStylesheet().putCellStyle('table', style);
style = graph.stylesheet.getDefaultEdgeStyle();
style[mxConstants.STYLE_LABEL_BACKGROUNDCOLOR] = '#FFFFFF';
style[mxConstants.STYLE_STROKEWIDTH] = '2';
style[mxConstants.STYLE_ROUNDED] = true;
style[mxConstants.STYLE_EDGE] = mxEdgeStyle.EntityRelation;
};
// Function to create the entries in the popupmenu
function createPopupMenu(editor, graph, menu, cell, evt)
{
if (cell != null)
{
if (graph.isHtmlLabel(cell))
{
menu.addItem('Properties', 'editors/images/properties.gif', function()
{
editor.execute('properties', cell);
});
menu.addSeparator();
}
menu.addItem('Delete', 'images/delete2.png', function()
{
editor.execute('delete', cell);
});
menu.addSeparator();
}
menu.addItem('Undo', 'images/undo.png', function()
{
editor.execute('undo', cell);
});
menu.addItem('Redo', 'images/redo.png', function()
{
editor.execute('redo', cell);
});
menu.addSeparator();
menu.addItem('Show SQL', 'images/export1.png', function()
{
editor.execute('showSql', cell);
});
};
function showProperties(graph, cell)
{
// Creates a form for the user object inside
// the cell
var form = new mxForm('properties');
// Adds a field for the columnname
var nameField = form.addText('Name', cell.value.name);
var typeField = form.addText('Type', cell.value.type);
var primaryKeyField = form.addCheckbox('Primary Key', cell.value.primaryKey);
var autoIncrementField = form.addCheckbox('Auto Increment', cell.value.autoIncrement);
var notNullField = form.addCheckbox('Not Null', cell.value.notNull);
var uniqueField = form.addCheckbox('Unique', cell.value.unique);
var defaultField = form.addText('Default', cell.value.defaultValue || '');
var useDefaultField = form.addCheckbox('Use Default', (cell.value.defaultValue != null));
var wnd = null;
// Defines the function to be executed when the
// OK button is pressed in the dialog
var okFunction = function()
{
var clone = cell.value.clone();
clone.name = nameField.value;
clone.type = typeField.value;
if (useDefaultField.checked)
{
clone.defaultValue = defaultField.value;
}
else
{
clone.defaultValue = null;
}
clone.primaryKey = primaryKeyField.checked;
clone.autoIncrement = autoIncrementField.checked;
clone.notNull = notNullField.checked;
clone.unique = uniqueField.checked;
graph.model.setValue(cell, clone);
wnd.destroy();
}
// Defines the function to be executed when the
// Cancel button is pressed in the dialog
var cancelFunction = function()
{
wnd.destroy();
}
form.addButtons(okFunction, cancelFunction);
var parent = graph.model.getParent(cell);
var name = parent.value.name + '.' + cell.value.name;
wnd = showModalWindow(name, form.table, 240, 240);
};
function createSql(graph)
{
var sql = [];
var parent = graph.getDefaultParent();
var childCount = graph.model.getChildCount(parent);
for (var i=0; i<childCount; i++)
{
var child = graph.model.getChildAt(parent, i);
if (!graph.model.isEdge(child))
{
sql.push('CREATE TABLE IF NOT EXISTS '+child.value.name+' (');
var columnCount = graph.model.getChildCount(child);
if (columnCount > 0)
{
for (var j=0; j<columnCount; j++)
{
var column = graph.model.getChildAt(child, j).value;
sql.push('\n '+column.name+' '+column.type);
if (column.notNull)
{
sql.push(' NOT NULL');
}
if (column.primaryKey)
{
sql.push(' PRIMARY KEY');
}
if (column.autoIncrement)
{
sql.push(' AUTOINCREMENT');
}
if (column.unique)
{
sql.push(' UNIQUE');
}
if (column.defaultValue != null)
{
sql.push(' DEFAULT '+column.defaultValue);
}
sql.push(',');
}
sql.splice(sql.length-1, 1);
sql.push('\n);');
}
sql.push('\n');
}
}