[seed] ClutterPad: Implement new/open/save file, redo UI, start examples collection.

[Tim Horton <hortont src gnome org>]

commit 9b32bbf8ceaa5213bae8c051b633de23beddc320
Author: Tim Horton <hortont svn gnome org>
Date:   Wed May 13 08:29:57 2009 -0400

    ClutterPad: Implement new/open/save file, redo UI, start examples collection.
---
 configure.ac                                |    1 +
 examples/Makefile.am                        |    1 +
 examples/clutter-pad-examples/Makefile.am   |   11 ++
 examples/clutter-pad-examples/blue-stage.js |    7 +
 examples/clutter-pad-examples/pink-stage.js |    7 +
 examples/clutter-pad.js                     |  213 ++++++++++++++++++++++-----
 6 files changed, 201 insertions(+), 39 deletions(-)

diff --git a/configure.ac b/configure.ac
index d5422ba..ee5d211 100644
--- a/configure.ac
+++ b/configure.ac
@@ -322,6 +322,7 @@ doc/tutorial-standalone/Makefile
 doc/reference/Makefile
 doc/mapping/Makefile
 examples/Makefile
+examples/clutter-pad-examples/Makefile
 examples/clutter-shader/Makefile
 examples/clutter-transitions/Makefile
 examples/glib/Makefile
diff --git a/examples/Makefile.am b/examples/Makefile.am
index bc4cee5..464f9f9 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -1,5 +1,6 @@
 SUBDIRS = \
     browser \
+    clutter-pad-examples \
     clutter-shader \
     clutter-transitions \
     dbus \
diff --git a/examples/clutter-pad-examples/Makefile.am b/examples/clutter-pad-examples/Makefile.am
new file mode 100644
index 0000000..03ee85b
--- /dev/null
+++ b/examples/clutter-pad-examples/Makefile.am
@@ -0,0 +1,11 @@
+if BUILD_SEED_EXAMPLES
+clutterpadexamplesdir=$(datadir)/doc/seed/examples/clutter-pad-examples
+clutterpadexamples_DATA = \
+	blue-stage.js \
+	pink-stage.js
+endif
+
+EXTRA_DIST = \
+	blue-stage.js \
+	pink-stage.js
+
diff --git a/examples/clutter-pad-examples/blue-stage.js b/examples/clutter-pad-examples/blue-stage.js
new file mode 100644
index 0000000..71c478d
--- /dev/null
+++ b/examples/clutter-pad-examples/blue-stage.js
@@ -0,0 +1,7 @@
+Clutter = imports.gi.Clutter;
+stage = Clutter.Stage.get_default();
+
+var blue = new Clutter.Color();
+blue.from_string("blue");
+
+stage.color = blue;
diff --git a/examples/clutter-pad-examples/pink-stage.js b/examples/clutter-pad-examples/pink-stage.js
new file mode 100644
index 0000000..59dd3a9
--- /dev/null
+++ b/examples/clutter-pad-examples/pink-stage.js
@@ -0,0 +1,7 @@
+Clutter = imports.gi.Clutter;
+stage = Clutter.Stage.get_default();
+
+var pink = new Clutter.Color();
+pink.from_string("pink");
+
+stage.color = pink;
diff --git a/examples/clutter-pad.js b/examples/clutter-pad.js
index 2a372b6..0eefd7f 100755
--- a/examples/clutter-pad.js
+++ b/examples/clutter-pad.js
@@ -1,4 +1,5 @@
 #!/usr/bin/env seed
+
 imports.gi.versions.Clutter = "0.9";
 imports.gi.versions.GtkClutter = "0.9";
 
@@ -9,84 +10,218 @@ GtkClutter = imports.gi.GtkClutter;
 GtkSource = imports.gi.GtkSource;
 GLib = imports.gi.GLib;
 sandbox = imports.sandbox;
+Gio = imports.gi.Gio;
 
 Gtk.init(Seed.argv);
 GtkClutter.init(Seed.argv);
 
-var window = new Gtk.Window();
+var current_filename = "";
+var stage, gtkstage = null;
+var stage_manager = Clutter.StageManager.get_default();
+
+function evaluate(button)
+{
+    try
+    {
+		error_buf.text = '';
+		var a = new Gtk.TextIter(); var b = new Gtk.TextIter();
+		source_buf.get_selection_bounds(a, b);
+		var slice = source_buf.get_slice(a, b);
+		if (slice == '')
+		{
+			context.destroy();
+			context = new sandbox.Context();
+			context.add_globals();
+			context.eval(source_buf.text)
+		}
+		else
+		{
+			context.eval(slice)
+		}
+    }
+    catch (e)
+    {
+		error_buf.text = e.message;
+    }
+};
+
+function populate_example_selector()
+{
+	file = Gio.file_new_for_path("clutter-pad-examples");
+	enumerator = file.enumerate_children("standard::name");
+
+	while((child = enumerator.next_file()))
+		example_selector.append_text(child.get_name());
+}
+
+function new_file()
+{
+	current_filename = "";
+	
+	// TODO: cleanse the stage (or make a new one!) each time around...
+	
+	//if(gtkstage)
+		//pane.remove(gtkstage);
+	
+	//gtkstage = new GtkClutter.Embed();
+	//stage = gtkstage.get_stage();
+	
+	pane.add1(gtkstage);
+	
+	//stage_manager.set_default_stage(stage);
+	
+	//gtkstage.show_all();
+	//stage.show_all();
+}
+
+function open_file()
+{
+	var file_chooser = new Gtk.FileChooserDialog();
+	var file_filter = new Gtk.FileFilter();
+	
+	file_filter.add_mime_type("text/javascript");
+	file_chooser.set_filter(file_filter);
+	file_chooser.add_button("Cancel", Gtk.ResponseType.CANCEL);
+	file_chooser.add_button("Open", Gtk.ResponseType.ACCEPT);
+	file_chooser.set_action(Gtk.FileChooserAction.OPEN);
+
+	if(file_chooser.run() == Gtk.ResponseType.ACCEPT)
+	{
+		load_file(file_chooser.get_filename());
+	}
+
+	file_chooser.destroy();
+}
+
+function load_file(filename)
+{
+	new_file();
+	
+	current_filename = filename;
+	window.title = "ClutterPad - " + filename;
+	
+	file = Gio.file_new_for_path(filename);
+	source_buf.text = file.read().get_contents();
+	
+	evaluate();
+}
+
+function save_file(filename)
+{
+	if(current_filename == "")
+	{
+		var file_chooser = new Gtk.FileChooserDialog();
+		var file_filter = new Gtk.FileFilter();
+		
+		file_filter.add_mime_type("text/javascript");
+		file_chooser.set_filter(file_filter);
+		file_chooser.add_button("Cancel", Gtk.ResponseType.CANCEL);
+		file_chooser.add_button("Save", Gtk.ResponseType.ACCEPT);
+		file_chooser.set_action(Gtk.FileChooserAction.SAVE);
+
+		if(file_chooser.run() == Gtk.ResponseType.ACCEPT)
+		{
+			current_filename = file_chooser.get_filename();
+			window.title = "ClutterPad - " + current_filename;
+		}
+
+		file_chooser.destroy();
+	}
+
+	if(current_filename != "")
+	{
+		try
+		{
+			Gio.simple_write(current_filename, source_buf.text);
+		}
+		catch(e)
+		{
+			Seed.print(e.message);
+		}
+	}
+}
+
+function select_example(selector, ud)
+{
+	load_file("clutter-pad-examples/" + selector.get_active_text());
+}
+
+var window = new Gtk.Window({title:"ClutterPad"});
 window.signal.destroy.connect(function(o) {Gtk.main_quit()});
-var gtkstage = new GtkClutter.Embed();
-var stage = gtkstage.get_stage();
 var vbox = new Gtk.VBox();
 
+var gtkstage = new GtkClutter.Embed();
+var stage = gtkstage.get_stage();
+	
+stage_manager.set_default_stage(stage);
+	
 var right = new Gtk.VBox();
+
+var toolbar = new Gtk.HBox();
+var new_button = new Gtk.ToolButton({stock_id:"gtk-new"});
+var open_button = new Gtk.ToolButton({stock_id:"gtk-open"});
+var save_button = new Gtk.ToolButton({stock_id:"gtk-save"});
+var example_selector = new Gtk.ComboBox.text();
+var run_button = new Gtk.ToolButton({stock_id:"gtk-execute"});
+
+new_button.signal.clicked.connect(new_file);
+open_button.signal.clicked.connect(open_file);
+save_button.signal.clicked.connect(save_file);
+example_selector.signal.changed.connect(select_example);
+run_button.signal.clicked.connect(evaluate);
+
+toolbar.pack_start(new_button);
+toolbar.pack_start(open_button);
+toolbar.pack_start(save_button);
+toolbar.pack_start(example_selector, true, true);
+toolbar.pack_start(run_button);
+
+populate_example_selector();
+
 var source_lang_mgr = new GtkSource.SourceLanguageManager();
 var js_lang = source_lang_mgr.get_language("js");
 
 var source_buf = new GtkSource.SourceBuffer({language: js_lang});
 var source_view = new GtkSource.SourceView.with_buffer(source_buf);
-	
-source_buf.text = 'Clutter = imports.gi.Clutter;\nstage = Clutter.Stage.get_default();\nvar pink = new Clutter.Color();\npink.from_string("pink");\nstage.color = pink;';
+
 source_view.set_show_line_numbers(true);
 source_view.set_show_right_margin(true);
 source_view.set_highlight_current_line(true);
 source_view.set_right_margin_position(80);
 
-var run = new Gtk.Button({label: "run"});
+var scrolled_window_frame = new Gtk.Frame();
 var scrolled_window = new Gtk.ScrolledWindow({vscrollbar_policy: Gtk.PolicyType.AUTOMATIC,
 					      hscrollbar_policy: Gtk.PolicyType.AUTOMATIC});
 scrolled_window.add(source_view);
+scrolled_window_frame.add(scrolled_window);
 
+var error_frame = new Gtk.Frame();
 var error_view = new Gtk.TextView();
 var error_buf = error_view.get_buffer();
 error_view.set_editable(false);
 error_view.set_size_request(null, 100);
+error_frame.add(error_view);
 
-right.pack_start(scrolled_window, true, true);
-right.pack_start(run);
-right.pack_start(error_view);
+right.pack_start(toolbar);
+right.pack_start(scrolled_window_frame, true, true);
+right.pack_start(error_frame);
 
 var context = new sandbox.Context();
 context.add_globals();
 
-var evaluate = function(button) {    
-    try {
-	error_buf.text = '';
-	var a = new Gtk.TextIter(); var b = new Gtk.TextIter();
-	source_buf.get_selection_bounds(a, b);
-	var slice = source_buf.get_slice(a, b);
-	if (slice == '') {
-	    context.destroy();
-	    context = new sandbox.Context();
-	    context.add_globals();
-	    context.eval(source_buf.text)
-	} else {
-	    context.eval(slice)
-	}
-    } catch (e) {
-	error_buf.text = e.message;
-    }
-};
-
-run.signal.clicked.connect(evaluate);
-
-var pane = new Gtk.HPaned();
+var pane = new Gtk.HPaned({position: 400});
 
 pane.add1(gtkstage);
 pane.add2(right);
 
-pane.set_position(400);
-
-gtkstage.set_size_request(800,600);
 vbox.pack_start(pane, true, true);
 
+window.resize(800, 600);
+
 window.add(vbox);
 
-window.show_all();
-stage.show_all();
+new_file();
 
-stage_manager = Clutter.StageManager.get_default();
-stage_manager.set_default_stage(stage);
+window.show_all();
 
-evaluate();
 Gtk.main();