[tracker] Add pane with objects that have a realtionship with the selected object.
- From: Robert James Taylor <robtaylor src gnome org>
- To: svn-commits-list gnome org
- Subject: [tracker] Add pane with objects that have a realtionship with the selected object.
- Date: Mon, 6 Jul 2009 17:44:21 +0000 (UTC)
commit e54f4284e029934864f837dd4bd47d7f980ad563
Author: Rob Taylor <rob taylor codethink co uk>
Date: Sat May 9 19:49:16 2009 +0100
Add pane with objects that have a realtionship with the selected object.
src/tracker-explorer/Makefile.am | 7 ++
src/tracker-explorer/explorer.ui | 92 ++++++++++++++++++++-----
src/tracker-explorer/explorer.vala | 129 +++++++++++++++++++++++++-----------
3 files changed, 170 insertions(+), 58 deletions(-)
---
diff --git a/src/tracker-explorer/Makefile.am b/src/tracker-explorer/Makefile.am
index 5327075..d57adce 100644
--- a/src/tracker-explorer/Makefile.am
+++ b/src/tracker-explorer/Makefile.am
@@ -14,6 +14,8 @@ tracker_explorer.vala.stamp: $(tracker_explorer_VALASOURCES)
touch tracker_explorer.vala.stamp
tracker_explorer_CFLAGS = \
+ -DTRACKER_UI_DIR=\"$(datadir)/tracker/\" \
+ -DSRCDIR=\"$(abssrcdir)/\" \
$(WARN_CFLAGS) \
$(GLIB2_CFLAGS) \
$(GCOV_CFLAGS) \
@@ -32,6 +34,11 @@ tracker_explorer_LDADD = \
$(LIBGEE_LIBS) \
$(NULL)
+uidir = $(datadir)/tracker
+ui_DATA = \
+ explorer.ui
+
+
EXTRA_DIST = \
$(tracker_explorer_SOURCES) \
$(tracker_explorer_VALASOURCES) \
diff --git a/src/tracker-explorer/explorer.ui b/src/tracker-explorer/explorer.ui
index 2ed43b6..adb63fa 100644
--- a/src/tracker-explorer/explorer.ui
+++ b/src/tracker-explorer/explorer.ui
@@ -69,41 +69,95 @@
</packing>
</child>
<child>
- <object class="GtkFrame" id="frame1">
+ <object class="GtkVPaned" id="vpaned2">
<property name="visible">True</property>
- <property name="label_xalign">0</property>
- <property name="shadow_type">none</property>
+ <property name="can_focus">True</property>
+ <property name="orientation">vertical</property>
<child>
- <object class="GtkAlignment" id="alignment1">
+ <object class="GtkFrame" id="frame1">
<property name="visible">True</property>
- <property name="left_padding">12</property>
+ <property name="label_xalign">0</property>
+ <property name="shadow_type">none</property>
<child>
- <object class="GtkScrolledWindow" id="scrolledwindow2">
+ <object class="GtkAlignment" id="alignment1">
<property name="visible">True</property>
- <property name="can_focus">True</property>
- <property name="hscrollbar_policy">automatic</property>
- <property name="vscrollbar_policy">automatic</property>
+ <property name="left_padding">12</property>
<child>
- <object class="GtkTreeView" id="relationshipsview">
+ <object class="GtkScrolledWindow" id="scrolledwindow2">
<property name="visible">True</property>
<property name="can_focus">True</property>
- <property name="search_column">0</property>
+ <property name="hscrollbar_policy">automatic</property>
+ <property name="vscrollbar_policy">automatic</property>
+ <child>
+ <object class="GtkTreeView" id="relationshipsview">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="search_column">0</property>
+ </object>
+ </child>
</object>
</child>
</object>
</child>
+ <child type="label">
+ <object class="GtkLabel" id="current-object">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes"><b>No object selected</b></property>
+ <property name="use_markup">True</property>
+ <property name="justify">fill</property>
+ <property name="ellipsize">start</property>
+ <property name="single_line_mode">True</property>
+ <property name="max_width_chars">50</property>
+ </object>
+ </child>
</object>
+ <packing>
+ <property name="resize">True</property>
+ <property name="shrink">True</property>
+ </packing>
</child>
- <child type="label">
- <object class="GtkLabel" id="current-object">
+ <child>
+ <object class="GtkFrame" id="frame2">
<property name="visible">True</property>
- <property name="label" translatable="yes"><b>No object selected</b></property>
- <property name="use_markup">True</property>
- <property name="justify">fill</property>
- <property name="ellipsize">start</property>
- <property name="single_line_mode">True</property>
- <property name="max_width_chars">50</property>
+ <property name="label_xalign">0</property>
+ <property name="shadow_type">none</property>
+ <child>
+ <object class="GtkAlignment" id="alignment2">
+ <property name="visible">True</property>
+ <property name="left_padding">12</property>
+ <child>
+ <object class="GtkScrolledWindow" id="scrolledwindow3">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="hscrollbar_policy">automatic</property>
+ <property name="vscrollbar_policy">automatic</property>
+ <child>
+ <object class="GtkTreeView" id="reverserelationshipsview">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="search_column">0</property>
+ </object>
+ </child>
+ </object>
+ </child>
+ </object>
+ </child>
+ <child type="label">
+ <object class="GtkLabel" id="current-object-reverse">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes"><b>No object selected</b></property>
+ <property name="use_markup">True</property>
+ <property name="justify">fill</property>
+ <property name="ellipsize">start</property>
+ <property name="single_line_mode">True</property>
+ <property name="max_width_chars">50</property>
+ </object>
+ </child>
</object>
+ <packing>
+ <property name="resize">True</property>
+ <property name="shrink">True</property>
+ </packing>
</child>
</object>
<packing>
diff --git a/src/tracker-explorer/explorer.vala b/src/tracker-explorer/explorer.vala
index de26a4d..f241b2c 100644
--- a/src/tracker-explorer/explorer.vala
+++ b/src/tracker-explorer/explorer.vala
@@ -1,5 +1,11 @@
using Gtk;
+[CCode (cname = "TRACKER_UI_DIR")]
+extern static const string UIDIR;
+
+[CCode (cname = "SRCDIR")]
+extern static const string SRCDIR;
+
[DBus (name = "org.freedesktop.Tracker.Resources")]
interface Resources : GLib.Object {
public abstract void Delete (string subject, string predicate, string object_) throws DBus.Error;
@@ -16,48 +22,65 @@ public class Explorer {
private ListStore uris;
private ListStore relationships;
private Label current_object;
+ private ListStore reverserelationships;
+ private Label current_object_reverse;
private Gee.HashMap<string,string> namespaces = new Gee.HashMap<string,string>(str_hash, str_equal, str_equal);
public void show() {
+
try {
var conn = DBus.Bus.get (DBus.BusType.SESSION);
tracker = (Resources) conn.get_object ("org.freedesktop.Tracker",
"/org/freedesktop/Tracker/Resources",
"org.freedesktop.Tracker.Resources");
+ } catch (DBus.Error e) {
+ var msg = new MessageDialog (null, DialogFlags.MODAL,
+ MessageType.ERROR, ButtonsType.CANCEL,
+ "Error connecting to D-Bus session bus\n%s", e.message);
+ msg.run ();
+ Gtk.main_quit();
+ }
- var builder = new Builder ();
- builder.add_from_file (UI_FILE);
+ var builder = new Builder ();
- var window = builder.get_object ("explorer") as Window;
- window.destroy += Gtk.main_quit;
+ try {
+ //try load from source tree first.
+ builder.add_from_file (SRCDIR + UI_FILE);
+ } catch (GLib.Error e) {
+ //now the install location
+ try {
+ builder.add_from_file (UIDIR + UI_FILE);
+ } catch (GLib.Error e) {
+ var msg = new MessageDialog (null, DialogFlags.MODAL,
+ MessageType.ERROR, ButtonsType.CANCEL,
+ "Failed to load UI\n%s", e.message);
+ msg.run ();
+ Gtk.main_quit();
+ }
+ }
- var entry = builder.get_object ("text-search") as Entry;
- entry.changed += entry_changed;
+ var window = builder.get_object ("explorer") as Window;
+ window.destroy += Gtk.main_quit;
- var urisview = builder.get_object ("uris") as TreeView;
- setup_uris(urisview);
+ var entry = builder.get_object ("text-search") as Entry;
+ entry.changed += entry_changed;
- var relationshipsview = builder.get_object ("relationshipsview") as TreeView;
- setup_relationships(relationshipsview);
+ var urisview = builder.get_object ("uris") as TreeView;
+ setup_uris(urisview);
- current_object = builder.get_object ("current-object") as Label;
- fetch_prefixes();
+ var relationshipsview = builder.get_object ("relationshipsview") as TreeView;
+ setup_relationships(relationshipsview);
- window.show_all();
- } catch (GLib.Error e) {
- var msg = new MessageDialog (null, DialogFlags.MODAL,
- MessageType.ERROR, ButtonsType.CANCEL,
- "Failed to load UI\n%s", e.message);
- msg.run ();
- Gtk.main_quit();
- } catch (DBus.Error e) {
- var msg = new MessageDialog (null, DialogFlags.MODAL,
- MessageType.ERROR, ButtonsType.CANCEL,
- "Error connecting to D-Bus session bus\n%s", e.message);
- msg.run ();
- Gtk.main_quit();
- }
+ current_object = builder.get_object ("current-object") as Label;
+ var reverserelationshipsview = builder.get_object ("reverserelationshipsview") as TreeView;
+ setup_reverserelationships(reverserelationshipsview);
+
+ current_object_reverse = builder.get_object ("current-object-reverse") as Label;
+
+ fetch_prefixes();
+
+ window.show_all();
}
private void setup_uris (TreeView urisview) {
@@ -77,6 +100,16 @@ public class Explorer {
relationshipsview.row_activated += object_selected;
}
+ private void setup_reverserelationships(TreeView reverserelationshipsview) {
+ reverserelationships = new ListStore (2, typeof(string), typeof(string));
+ reverserelationshipsview.set_model(reverserelationships);
+
+ reverserelationshipsview.insert_column_with_attributes (-1, "Subject", new CellRendererText (), "text", 1, null);
+ reverserelationshipsview.insert_column_with_attributes (-1, "Relationship", new CellRendererText (), "text", 0, null);
+ reverserelationshipsview.row_activated += object_selected;
+ }
+
+
private void fetch_prefixes () {
string query = "SELECT ?s ?prefix WHERE { ?s a tracker:Namespace ; tracker:prefix ?prefix }";
try {
@@ -108,33 +141,51 @@ public class Explorer {
}
}
+ //split at '#' and look up to see if we have
+ //a human-readable prefix
+ private string subst_prefix(string uri) {
+ string[] parts = uri.split("#");
+ string? prefix = namespaces[parts[0]];
+ string relationship;
+
+ if (prefix != null) {
+ relationship = string.join("#", prefix, parts[1]);
+ } else {
+ relationship = uri;
+ }
+ return relationship;
+ }
+
private void update_pane(string uri) {
//debug ("updating pane: %s", uri);
current_object.set_text (uri);
+ current_object_reverse.set_text (uri);
- string query = "SELECT ?r ?o WHERE { <%s> ?r ?o }".printf(uri);
- TreeIter iter;
try {
+ string query = "SELECT ?r ?o WHERE { <%s> ?r ?o }".printf(uri);
+ TreeIter iter;
var result = tracker.SparqlQuery(query);
relationships.clear();
for (int i=0; i<result.length[0]; i++) {
- //split at '#' and look up to see if we have
- //a human-readable prefix
- string[] parts = result[i,0].split("#");
- string? prefix = namespaces[parts[0]];
- string relationship;
-
- if (prefix != null) {
- relationship = string.join("#", prefix, parts[1]);
- } else {
- relationship = result[i,0];
- }
+ var relationship = subst_prefix(result[i,0]);
relationships.append (out iter);
relationships.set (iter, 0, relationship, -1);
relationships.set (iter, 1, result[i,1], -1);
}
+ query = "SELECT ?s ?r WHERE { ?s ?r <%s> }".printf(uri);
+ result = tracker.SparqlQuery(query);
+ reverserelationships.clear();
+
+ for (int i=0; i<result.length[0]; i++) {
+ var relationship = subst_prefix(result[i,1]);
+ reverserelationships.append (out iter);
+ reverserelationships.set (iter, 0, result[i,0], -1);
+ reverserelationships.set (iter, 1, relationship, -1);
+ }
+
+
} catch (DBus.Error e) {
}
}
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