js画图开发库--mxgraph--[schema-结构定义.html]
<!Doctype html>
<html xmlns=http://www.w3.org/1999/xhtml>
<head>
<meta http-equiv=Content-Type content="text/html;charset=utf-8">
<title>结构定义</title>
<!-- 如果本文件的包与src不是在同一个目录,就要将basepath设置到src目录下 -->
<script type="text/javascript">
mxBasePath = '../src';
</script>
<!-- 引入支持库文件 -->
<script type="text/javascript" src="../src/js/mxClient.js"></script>
<!-- 示例代码 -->
<script type="text/javascript">
// 程序在此方法中启动
function main(container, outline, toolbar, sidebar, status)
{
// 检查浏览器支持
if (!mxClient.isBrowserSupported())
{
mxUtils.error('Browser is not supported!', 200, false);
}
else
{
// 指定透明度，颜色和偏移
mxConstants.SHADOW_OPACITY = 0.5;
mxConstants.SHADOWCOLOR = '#C0C0C0';
mxConstants.SHADOW_OFFSET_X = 5;
mxConstants.SHADOW_OFFSET_Y = 6;
// 表的尺寸和位置
mxSwimlane.prototype.imageSize = 20;
mxSwimlane.prototype.imageDx = 16;
mxSwimlane.prototype.imageDy = 4;
// 泳道背景为白色
mxSwimlaneCreateSvg = mxSwimlane.prototype.createSvg;
mxSwimlane.prototype.createSvg = function()
{
var node = mxSwimlaneCreateSvg.apply(this, arguments);
this.content.setAttribute('fill', '#FFFFFF');
return node;
};
// 阴影效果
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);
}
};
// 重绘图标位置
mxSwimlaneRedrawSvg = mxSwimlane.prototype.redrawSvg;
mxSwimlane.prototype.redrawSvg = function()
{
mxSwimlaneRedrawSvg.apply(this, arguments);
// 阴影
if (this.dialect == mxConstants.DIALECT_SVG && this.shadowNode != null)
{
this.shadowNode.setAttribute('height', this.bounds.height);
}
// 表图标位置
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);
}
};
// 在VML中显示表图标的位置
mxSwimlaneRedrawVml = mxSwimlane.prototype.redrawVml;
mxSwimlane.prototype.redrawVml = function()
{
mxSwimlaneRedrawVml.apply(this, arguments);
// 表图标的位置
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';
}
};
// 自定义阴影效果
mxSwimlaneCreateVml = mxSwimlane.prototype.createVml;
mxSwimlane.prototype.createVml = function()
{
this.isShadow = false;
var node = mxSwimlaneCreateVml.apply(this, arguments);
this.shadowNode = document.createElement('v:rect');
// 指定阴影的位置和大小
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%'
// 阴影填充颜色
var fillNode = document.createElement('v:fill');
this.updateVmlFill(fillNode, mxConstants.SHADOWCOLOR, null, null, mxConstants.SHADOW_OPACITY * 100);
this.shadowNode.appendChild(fillNode);
// 阴影颜色的深度
this.shadowNode.setAttribute('strokecolor', mxConstants.SHADOWCOLOR);
this.shadowNode.setAttribute('strokeweight', (this.strokewidth * this.scale) + 'px');
// 透明度
var strokeNode = document.createElement('v:stroke');
strokeNode.setAttribute('opacity', (mxConstants.SHADOW_OPACITY * 100) + '%');
this.shadowNode.appendChild(strokeNode);
node.insertBefore(this.shadowNode, node.firstChild);
// 泳道背景颜色
this.content.setAttribute('fillcolor', 'white');
this.content.setAttribute('filled', 'true');
// 内容区透明度
if (this.opacity != null)
{
var contentFillNode = document.createElement('v:fill');
contentFillNode.setAttribute('opacity', this.opacity + '%');
this.content.appendChild(contentFillNode);
}
return node;
};
// 定义新的连接的图标。这将自动禁用高亮显示的元素。
mxConnectionHandler.prototype.connectImage = new mxImage('images/connector.gif', 16, 16);
// 读取字段中出现的图像
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";
// IE浏览器添加样式
if (mxClient.IS_QUIRKS)
{
document.body.style.overflow = 'hidden';
new mxDivResizer(container);
new mxDivResizer(outline);
new mxDivResizer(toolbar);
new mxDivResizer(sidebar);
new mxDivResizer(status);
}
// 创建编辑器
var editor = new mxEditor();
var graph = editor.graph;
var model = graph.model;
// 禁用一些全局变量
graph.setConnectable(true);
graph.setCellsDisconnectable(false);
graph.setCellsCloneable(false);
graph.swimlaneNesting = false;
graph.dropEnabled = true;
// 不允许连接线晃动
graph.setAllowDanglingEdges(true);
// 使用默认连接处理程序
graph.connectionHandler.factoryMethod = null;
// 表只能调整大小
graph.isCellResizable = function(cell)
{
return this.isSwimlane(cell);
};
// 表只能移动
graph.isCellMovable = function(cell)
{
return this.isSwimlane(cell);
};
// 设置图形容器，并配置编辑器
editor.setGraphContainer(container);
var config = mxUtils.load(
'editors/config/keyhandler-minimal.xml').
getDocumentElement();
editor.configure(config);
// 配置表列自动布局
editor.layoutSwimlanes = true;
editor.createSwimlaneLayout = function ()
{
var layout = new mxStackLayout(this.graph, false);
layout.fill = true;
layout.resizeParent = true;
// 覆盖函数永远返回 true
layout.isVertexMovable = function(cell)
{
return true;
};
return layout;
};
// 对象创建将显示文本提示标签
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;
}
};
// 表列是动态创建的
graph.isHtmlLabel = function(cell)
{
return !this.isSwimlane(cell) &&
!this.model.isEdge(cell);
};
// 连接线不可编辑
graph.isCellEditable = function(cell)
{
return !this.model.isEdge(cell);
};
// 返回元素的名称
graph.convertValueToString = function(cell)
{
if (cell.value != null && cell.value.name != null)
{
return cell.value.name;
}
return mxGraph.prototype.convertValueToString.apply(this, arguments); // "supercall"
};
// 返回元素类型
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"
};
// 动态创建标签
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"
};
// 如果连接线被删除，删除顶点元素
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);
}
}
});
// 禁用拖动
graph.isValidDropTarget = function(cell, cells, evt)
{
return this.isSwimlane(cell);
};
// 添加一个下拉菜单
graph.panningHandler.factoryMethod = function(menu, cell, evt)
{
createPopupMenu(editor, graph, menu, cell, evt);
};
// 添加所有样式
configureStylesheet(graph);
// 添加表对象的侧边栏图标
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');
// 添加表对象的侧边栏图标
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');
// 添加主键字段
var firstColumn = column.clone();
firstColumn.value.name = 'TABLENAME_ID';
firstColumn.value.type = 'INTEGER';
firstColumn.value.primaryKey = true;
firstColumn.value.autoIncrement = true;
table.insert(firstColumn);
// 添加子列的新表与表之间的连接
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;
};
// 在一个半透明的小框显示提示。
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);
// 创建工具栏并添加工具按钮
var spacer = document.createElement('div');
spacer.style.display = 'inline';
spacer.style.padding = '8px';
addToolbarButton(editor, toolbar, 'properties', 'Properties', 'editors/images/properties.gif');
// 定义新的导出动作
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));
// 定义导出SQL 动作
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');
}
});
// 定义导出动作
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');
// 在底部的状态栏添加工具栏按钮
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);
// 创建提示
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)
{
var offset = mxUtils.getOffset(graph.container);
parent = graph.getSwimlaneAt(evt.clientX-offset.x, evt.clientY-offset.y);
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++;
}
}
graph.model.getChildCount(parent)+1;
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);
}
}
// 创建拖动源图标
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);
// 创建拖动源预览图标
var dragImage = img.cloneNode(true);
var ds = mxUtils.makeDraggable(img, graph, funct, dragImage);
// 高亮效果
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';
// 如果启用了阴影
//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;
};
// 创建下拉菜单
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);
});
};
// 显示属性栏
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;
// 定义下一步按钮
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();
}
// 定义上一步按钮
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');
}
}
return sql.join('');
};
//加载google配置
function loadGoogleGears()
{
// We are already defined. Hooray!
if (window.google && google.gears) {
return;
}
var factory = null;
// Firefox
if (typeof GearsFactory != 'undefined') {
factory = new GearsFactory();
} else {
// IE
try {
factory = new ActiveXObject('Gears.Factory');
} catch (e) {
// Safari
if (navigator.mimeTypes["application/x-googlegears"]) {
factory = document.createElement("object");
factory.style.display = "none";
factory.width = 0;
factory.height = 0;
factory.type = "application/x-googlegears";
document.documentElement.appendChild(factory);
}
}
}
// *Do not* define any objects if Gears is not installed. This mimics the
// behavior of Gears defining the objects in the future.
if (!factory) {
return;
}
// Now set up the objects, being careful not to overwrite anything.
if (!window.google) {
window.google = {};
}
if (!google.gears) {
google.gears = {factory: factory};
}
};
// 定义字段
function Column(name)
{
this.name = name;
};
Column.prototype.type = 'TEXT';
Column.prototype.defaultValue = null;
Column.prototype.primaryKey = false;
Column.prototype.autoIncrement = false;
Column.prototype.notNull = false;
Column.prototype.unique = false;
Column.prototype.clone = function()
{
return mxUtils.clone(this);
};
// 定义表
function Table(name)
{
this.name = name;
};
Table.prototype.clone = function()
{
return mxUtils.clone(this);
};
</script>
</head>
<!-- 页面载入时启动程序 -->
<body onload="main(document.getElementById('graphContainer'),
document.getElementById('outlineContainer'),
document.getElementById('toolbarContainer'),
document.getElementById('sidebarContainer'),
document.getElementById('statusContainer'));">
<!-- 创建容器的启动画面 -->
<div id="splash"
style="position:absolute;top:0px;left:0px;width:100%;height:100%;background:white;z-index:1;">
<center id="splash" style="padding-top:230px;">
<img src="editors/images/loading.gif">
</center>
</div>
<!-- 创建容器侧边栏 -->
<div id="toolbarContainer"
style="position:absolute;white-space:nowrap;overflow:hidden;top:0px;left:0px;max-height:24px;height:36px;right:0px;padding:6px;background-image:url('images/toolbar_bg.gif');">
</div>
<!-- 创建容器的工具箱 -->
<div id="sidebarContainer"
style="position:absolute;overflow:hidden;top:36px;left:0px;bottom:36px;max-width:52px;width:56px;padding-top:10px;padding-left:4px;background-image:url('images/sidebar_bg.gif');">
</div>
<!-- 创建图形容器-->
<div id="graphContainer"
style="position:absolute;overflow:hidden;top:36px;left:60px;bottom:36px;right:0px;">
</div>
<!-- 创建导航框-->
<div id="outlineContainer"
style="position:absolute;overflow:hidden;top:36px;right:0px;width:200px;height:140px;background:transparent;border-style:solid;border-color:black;">
</div>
<!-- 创建容器侧边栏 -->
<div id="statusContainer"
style="text-align:right;position:absolute;overflow:hidden;bottom:0px;left:0px;max-height:24px;height:36px;right:0px;color:white;padding:6px;background-image:url('images/toolbar_bg.gif');">
<div style="font-size:10pt;float:left;">
Created with <a href="http://www.jgraph.com" target="_blank">mxGraph</a>
</div>
</div>
</body>
</html>
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