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Diffstat (limited to 'src/pies/load.vala')
| -rw-r--r-- | src/pies/load.vala | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/src/pies/load.vala b/src/pies/load.vala new file mode 100644 index 0000000..912ddf0 --- /dev/null +++ b/src/pies/load.vala @@ -0,0 +1,230 @@ +/* +Copyright (c) 2011 by Simon Schneegans + +This program is free software: you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the Free +Software Foundation, either version 3 of the License, or (at your option) +any later version. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for +more details. + +You should have received a copy of the GNU General Public License along with +this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +using GLib.Math; + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A helper method which loads pies according to the configuration file. +///////////////////////////////////////////////////////////////////////// + +namespace Pies { + + ///////////////////////////////////////////////////////////////////// + /// Loads all Pies from the pies.conf file. + ///////////////////////////////////////////////////////////////////// + + public void load() { + // check whether the config file exists + if (!GLib.File.new_for_path(Paths.pie_config).query_exists()) { + message("Creating new configuration file in \"" + Paths.pie_config + "\"."); + Pies.create_default_config(); + return; + } + + // load the settings file + Xml.Parser.init(); + Xml.Doc* piesXML = Xml.Parser.parse_file(Paths.pie_config); + + if (piesXML != null) { + // begin parsing at the root element + Xml.Node* root = piesXML->get_root_element(); + if (root != null) { + for (Xml.Node* node = root->children; node != null; node = node->next) { + if (node->type == Xml.ElementType.ELEMENT_NODE) { + string node_name = node->name.down(); + switch (node_name) { + case "pie": + parse_pie(node); + break; + default: + warning("Invalid child element <" + node_name + "> in <pies> element pies.conf!"); + break; + } + } + } + Xml.Parser.cleanup(); + + } else { + warning("Error loading pies: pies.conf is empty! The cake is a lie..."); + } + + delete piesXML; + + } else { + warning("Error loading pies: pies.conf not found! The cake is a lie..."); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Parses a <pie> element from the pies.conf file. + ///////////////////////////////////////////////////////////////////// + + private static void parse_pie(Xml.Node* node) { + string hotkey = ""; + string name = ""; + string icon = ""; + string id = ""; + int quick_action = -1; + + // parse all attributes of this node + for (Xml.Attr* attribute = node->properties; attribute != null; attribute = attribute->next) { + string attr_name = attribute->name.down(); + string attr_content = attribute->children->content; + + switch (attr_name) { + case "hotkey": + hotkey = attr_content; + break; + case "quickaction": + quick_action = int.parse(attr_content); + break; + case "name": + name = attr_content; + break; + case "icon": + icon = attr_content; + break; + case "id": + id = attr_content; + break; + default: + warning("Invalid setting \"" + attr_name + "\" in pies.conf!"); + break; + } + } + + if (name == "") { + warning("Invalid <pie> element in pies.conf: No name specified!"); + return; + } + + // add a new Pie with the loaded properties + var pie = PieManager.create_persistent_pie(name, icon, hotkey, id); + + // and parse all child elements + for (Xml.Node* slice = node->children; slice != null; slice = slice->next) { + if (slice->type == Xml.ElementType.ELEMENT_NODE) { + string node_name = slice->name.down(); + switch (node_name) { + case "slice": + parse_slice(slice, pie); + break; + case "group": + parse_group(slice, pie); + break; + default: + warning("Invalid child element <" + node_name + "> in <pie> element in pies.conf!"); + break; + } + } + } + } + + ///////////////////////////////////////////////////////////////////// + /// Parses a <slice> element from the pies.conf file. + ///////////////////////////////////////////////////////////////////// + + private static void parse_slice(Xml.Node* slice, Pie pie) { + string name=""; + string icon=""; + string command=""; + string type=""; + bool quick_action = false; + + // parse all attributes of this node + for (Xml.Attr* attribute = slice->properties; attribute != null; attribute = attribute->next) { + string attr_name = attribute->name.down(); + string attr_content = attribute->children->content; + + switch (attr_name) { + case "name": + name = attr_content; + break; + case "icon": + icon = attr_content; + break; + case "command": + command = attr_content; + break; + case "type": + type = attr_content; + break; + case "quickaction": + quick_action = bool.parse(attr_content); + break; + default: + warning("Invalid attribute \"" + attr_name + "\" in <slice> element in pies.conf!"); + break; + } + } + + Action action = null; + + // create a new Action according to the loaded type + foreach (var action_type in ActionRegistry.types) { + if (ActionRegistry.settings_names[action_type] == type) { + + action = GLib.Object.new(action_type, "name", name, + "icon", icon, + "real_command", command, + "is_quick_action", quick_action) as Action; + break; + } + } + + if (action != null) pie.add_action(action); + } + + ///////////////////////////////////////////////////////////////////// + /// Parses a <group> element from the pies.conf file. + ///////////////////////////////////////////////////////////////////// + + private static void parse_group(Xml.Node* slice, Pie pie) { + string type=""; + + // parse all attributes of this node + for (Xml.Attr* attribute = slice->properties; attribute != null; attribute = attribute->next) { + string attr_name = attribute->name.down(); + string attr_content = attribute->children->content; + + switch (attr_name) { + case "type": + type = attr_content; + break; + default: + warning("Invalid attribute \"" + attr_name + "\" in <group> element in pies.conf!"); + break; + } + } + + ActionGroup group = null; + + // create a new ActionGroup according to the loaded type + foreach (var group_type in GroupRegistry.types) { + if (GroupRegistry.settings_names[group_type] == type) { + group = GLib.Object.new(group_type, "parent_id", pie.id) as ActionGroup; + break; + } + } + + if (group != null) pie.add_group(group); + } +} + +} |