--- /dev/null
+/* $Id$ $Revision$ */\r
+/* vim:set shiftwidth=4 ts=8: */\r
+\r
+/**********************************************************\r
+* This software is part of the graphviz package *\r
+* http://www.graphviz.org/ *\r
+* *\r
+* Copyright (c) 1994-2008 AT&T Corp. *\r
+* and is licensed under the *\r
+* Common Public License, Version 1.0 *\r
+* by AT&T Corp. *\r
+* *\r
+* Information and Software Systems Research *\r
+* AT&T Research, Florham Park NJ *\r
+**********************************************************/\r
+\r
+using System;\r
+using System.Collections.Generic;\r
+using System.ComponentModel;\r
+\r
+namespace Graphviz\r
+{\r
+ public class GraphPropertyDescriptor : PropertyDescriptor\r
+ {\r
+ public GraphPropertyDescriptor(string graphComponent, string name, Attribute[] attrs): base(name, attrs)\r
+ {\r
+ _graphComponent = graphComponent;\r
+ }\r
+ \r
+ public override bool CanResetValue(object component)\r
+ {\r
+ /* can reset whenever value isn't at default */\r
+ return !object.Equals(GetValue(component), DefaultValue);\r
+ }\r
+\r
+ public override Type ComponentType\r
+ {\r
+ /* property defined on graph components, so we'll say object */\r
+ get { return typeof(object); }\r
+ }\r
+\r
+ public override object GetValue(object component)\r
+ {\r
+ /* return either the set value or the default value */\r
+ string value;\r
+ GetDictionary(component).TryGetValue(Name, out value);\r
+ return value == null ? DefaultValue : value;\r
+ }\r
+\r
+ public override bool IsReadOnly\r
+ {\r
+ get { return false; }\r
+ }\r
+\r
+ public override Type PropertyType\r
+ {\r
+ /* property returns strings only */\r
+ get { return typeof(string); }\r
+ }\r
+\r
+ public override void ResetValue(object component)\r
+ {\r
+ SetValue(component, DefaultValue);\r
+ }\r
+\r
+ public override void SetValue(object component, object value)\r
+ {\r
+ GetDictionary(component)[Name] = (string)value;\r
+ }\r
+\r
+ public override bool ShouldSerializeValue(object component)\r
+ {\r
+ return CanResetValue(component);\r
+ }\r
+ \r
+ private object DefaultValue\r
+ {\r
+ get\r
+ {\r
+ /* return default value attribute if any */\r
+ DefaultValueAttribute defaultValueAttribute = (DefaultValueAttribute)Attributes[typeof(DefaultValueAttribute)];\r
+ return defaultValueAttribute == null ? null : defaultValueAttribute.Value;\r
+ }\r
+ }\r
+ \r
+ private IDictionary<string, string> GetDictionary(object component)\r
+ {\r
+ /* if the component is a graph, return the appropriate dictionary */\r
+ Graph graph = component as Graph;\r
+ if (graph != null)\r
+ switch (_graphComponent) {\r
+ case "graph":\r
+ return graph.GraphAttributes;\r
+ case "node":\r
+ return graph.DefaultNodeAttributes;\r
+ case "edge":\r
+ return graph.DefaultEdgeAttributes;\r
+ default:\r
+ return null;\r
+ }\r
+ else\r
+ return null; \r
+ }\r
+ \r
+ private readonly string _graphComponent;\r
+ }\r
+}\r
\r
using System;\r
using System.Collections.Generic;\r
-using System.Collections.ObjectModel;\r
-using System.IO;\r
-using System.Windows.Forms;\r
\r
using Microsoft.VisualBasic.ApplicationServices;\r
\r
{\r
/* if no files opened from the Explorer, pose the open file dialog to get them, then open the lot */\r
ICollection<string> filesToOpen = eventArgs.CommandLine.Count == 0 ?\r
- (ICollection<string>)FilesToOpen() :\r
+ (ICollection<string>)FormController.Instance.FilesToOpen() :\r
(ICollection<string>)eventArgs.CommandLine;\r
if (filesToOpen != null) {\r
- OpenFiles(filesToOpen);\r
+ MainForm = FormController.Instance.OpenFiles(filesToOpen);\r
return base.OnStartup(eventArgs);\r
}\r
else\r
+ /* user cancelled open dialog, so just quit */\r
return false;\r
}\r
\r
{\r
/* if some files opened from the Explorer, open them */\r
if (eventArgs.CommandLine.Count > 0)\r
- OpenFiles(eventArgs.CommandLine);\r
+ MainForm = FormController.Instance.OpenFiles(eventArgs.CommandLine);\r
base.OnStartupNextInstance(eventArgs);\r
}\r
\r
- private string[] FilesToOpen()\r
- {\r
- /* lazily initialize open file dialog... sometimes we are created only to pass args to the main instance */\r
- if (_openFileDialog == null)\r
- {\r
- _openFileDialog = new OpenFileDialog();\r
- _openFileDialog.Filter = "Graphviz graphs (*.dot)|*.dot|All files (*.*)|*.*";\r
- _openFileDialog.Multiselect = true;\r
- }\r
- \r
- /* if user said OK, return the files he selected */\r
- return _openFileDialog.ShowDialog() == DialogResult.OK ? _openFileDialog.FileNames : null;\r
- }\r
- \r
- private void OpenFiles(ICollection<string> filenames)\r
- {\r
- Form foundForm = null;\r
- foreach (string filename in filenames) {\r
- string canonicalFilename = Path.GetFullPath(filename).ToLower();\r
- if (_documentForms.ContainsKey(canonicalFilename))\r
- foundForm = _documentForms[canonicalFilename];\r
- else {\r
- GraphForm newForm = new GraphForm(filename);\r
- _documentForms[canonicalFilename] = foundForm = newForm;\r
-\r
- /* when the form closes, remove it from document form list */\r
- newForm.FormClosed += delegate(object sender, FormClosedEventArgs eventArgs)\r
- {\r
- _documentForms.Remove(canonicalFilename);\r
- };\r
- \r
- /* clicking the Open menu item calls our Open method */\r
- newForm.OpenMenuItem.Click += delegate(object sender, EventArgs eventArgs)\r
- {\r
- string[] filesToOpen = FilesToOpen();\r
- if (filesToOpen != null)\r
- OpenFiles(filesToOpen);\r
- };\r
-\r
- /* compose the Window menu out of all the open form titles */\r
- newForm.WindowMenuItem.DropDownOpening += delegate(object sender, EventArgs eventArgs)\r
- {\r
- ToolStripMenuItem windowMenuItem = sender as ToolStripMenuItem;\r
- if (windowMenuItem != null) {\r
- windowMenuItem.DropDownItems.Clear();\r
- int i = 0;\r
- foreach (Form form in OpenForms) {\r
- Form innerForm = form;\r
- ToolStripMenuItem formMenuItem = new ToolStripMenuItem(string.Format("{0} {1}", ++i, form.Text));\r
- formMenuItem.Checked = Form.ActiveForm == innerForm;\r
- formMenuItem.Click += delegate(object innerSender, EventArgs innerEventArgs)\r
- {\r
- innerForm.Activate();\r
- };\r
- windowMenuItem.DropDownItems.Add(formMenuItem);\r
- }\r
- }\r
- };\r
- foundForm.Show();\r
- }\r
- }\r
- \r
- MainForm = foundForm;\r
- \r
- }\r
- \r
private Program()\r
{\r
EnableVisualStyles = true;\r
IsSingleInstance = true;\r
ShutdownStyle = ShutdownMode.AfterAllFormsClose;\r
- \r
- _openFileDialog = null;\r
- _documentForms = new Dictionary<string, Form>();\r
}\r
\r
[STAThread]\r
{\r
new Program().Run(commandLine);\r
}\r
- \r
- private OpenFileDialog _openFileDialog;\r
- private readonly IDictionary<string, Form> _documentForms;\r
}\r
-}
\ No newline at end of file
+}
projects / graphviz / commitdiff