[gnome-maps/wip/favorites: 4/8] Add FavoritesPopover

[Jonas Danielsson <jonasdn src gnome org>]

commit eda8159cde0f44b0efea099ab8a9f2da3757c197
Author: Jonas Danielsson <jonas threetimestwo org>
Date:   Sat Nov 22 00:53:33 2014 +0100

    Add FavoritesPopover
    
    https://bugzilla.gnome.org/show_bug.cgi?id=722102

 src/favorites-popover.ui          |   65 ++++++++++++++++++++
 src/favoritesPopover.js           |  120 +++++++++++++++++++++++++++++++++++++
 src/gnome-maps.data.gresource.xml |    1 +
 src/gnome-maps.js.gresource.xml   |    1 +
 4 files changed, 187 insertions(+), 0 deletions(-)
---
diff --git a/src/favorites-popover.ui b/src/favorites-popover.ui
new file mode 100644
index 0000000..5eaea53
--- /dev/null
+++ b/src/favorites-popover.ui
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <!-- interface-requires gtk+ 3.10 -->
+  <template class="Gjs_FavoritesPopover" parent="GtkPopover">
+    <property name="visible">False</property>
+    <property name="no_show_all">True</property>
+    <property name="hexpand">False</property>
+    <style>
+      <class name="maps-popover"/>
+    </style>
+    <child>
+      <object class="GtkStack" id="stack">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="homogeneous">False</property>
+        <child>
+          <object class="GtkGrid" id="mainGrid">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <object class="GtkRevealer" id="revealer">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <child>
+                  <object class="GtkEntry" id="entry">
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="margin">10</property>
+                  </object>
+                </child>
+              </object>
+            </child>
+            <child>
+              <object class="GtkScrolledWindow" id="scrolledWindow">
+                <property name="hscrollbar_policy">never</property>
+                <property name="shadow_type">in</property>
+                <property name="visible">True</property>
+                <child>
+                  <object class="GtkListBox" id="list">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="expand">True</property>
+                    <property name="activate_on_single_click">True</property>
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="GtkLabel" id="noFavoritesLabel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="margin">10</property>
+            <property name="label" translatable="yes">You have no favorite places yet!</property>
+            <style>
+              <class name="dim-label"/>
+            </style>
+          </object>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>
diff --git a/src/favoritesPopover.js b/src/favoritesPopover.js
new file mode 100644
index 0000000..3976987
--- /dev/null
+++ b/src/favoritesPopover.js
@@ -0,0 +1,120 @@
+/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
+/* vim: set et ts=4 sw=4: */
+/*
+ * GNOME Maps 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 2 of the License, or (at your
+ * option) any later version.
+ *
+ * GNOME Maps 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 GNOME Maps; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Author: Jonas Danielsson <jonas threetimestwo org>
+ */
+
+const Gtk = imports.gi.Gtk;
+const Lang = imports.lang;
+
+const Application = imports.application;
+const PlaceListRow = imports.placeListRow;
+const PlaceStore = imports.placeStore;
+
+const _N_VISIBLE = 6;
+const _ROW_HEIGHT = 50;
+
+const FavoritesPopover = new Lang.Class({
+    Name: 'FavoritesPopover',
+    Extends: Gtk.Popover,
+    Template: 'resource:///org/gnome/maps/favorites-popover.ui',
+    InternalChildren: [ 'stack',
+                        'mainGrid',
+                        'revealer',
+                        'entry',
+                        'scrolledWindow',
+                        'list',
+                        'noFavoritesLabel'],
+    Signals: { 'rows-changed': { } },
+
+    _init: function(params) {
+        params = params || { };
+
+        this._mapView = params.mapView;
+        delete params.mapView;
+
+        this.parent(params);
+
+        this._rows = 0;
+
+        let placeType = PlaceStore.PlaceType.FAVORITE;
+        this._model = Application.placeStore.getModelForPlaceType(placeType);
+
+        this._model.connect('row-deleted',
+                            this._updateList.bind(this));
+        this._model.connect('row-inserted',
+                            this._updateList.bind(this));
+
+        this._list.set_header_func(function(row, before) {
+            let header = before ? new Gtk.Separator() : null;
+            row.set_header(header);
+        });
+
+        this._entry.connect('changed',
+                            this._list.invalidate_filter.bind(this._list));
+
+        this._list.connect('row-activated', (function(list, row) {
+            this.hide();
+            this._mapView.showSearchResult(row.place);
+        }).bind(this));
+
+        this._list.set_filter_func((function(row) {
+            let text = this._entry.text.toLowerCase();
+            let title = row.title.toLowerCase();
+            let length = text.length;
+            
+            return title.substring(0, length) === text.substring(0, length);
+        }).bind(this));
+
+        this._updateList();
+    },
+    
+    get rows() {
+        return this._rows;
+    },
+    
+    _updateList: function() {
+        this._list.forall(function(row) {
+            row.destroy();
+        });
+
+        this._rows = 0;
+        this._model.foreach((function(model, path, iter) {
+            let place = model.get_value(iter, PlaceStore.Columns.PLACE);
+
+            let row = new PlaceListRow.PlaceListRow({ place: place,
+                                                      maxChars: 15,
+                                                      can_focus: true });
+            this._list.add(row);
+            this._rows++;
+        }).bind(this));
+
+        if (this._rows === 0) {
+            this._stack.visible_child = this._noFavoritesLabel;
+        } else {
+            this._stack.visible_child = this._mainGrid;
+            let visible = Math.min(this._rows, _N_VISIBLE);
+
+            this._scrolledWindow.min_content_height = visible * PlaceListRow.ROW_HEIGHT + 3;
+            if (this._rows > _N_VISIBLE)
+                this._revealer.reveal_child = true;
+            else
+                this._revealer.reveal_child = false;
+        }
+        this.emit('rows-changed');
+    }
+});
diff --git a/src/gnome-maps.data.gresource.xml b/src/gnome-maps.data.gresource.xml
index 436598b..0512a79 100644
--- a/src/gnome-maps.data.gresource.xml
+++ b/src/gnome-maps.data.gresource.xml
@@ -2,6 +2,7 @@
 <gresources>
   <gresource prefix="/org/gnome/maps">
     <file preprocess="xml-stripblanks">app-menu.ui</file>
+    <file preprocess="xml-stripblanks">favorites-popover.ui</file>
     <file preprocess="xml-stripblanks">place-entry.ui</file>
     <file preprocess="xml-stripblanks">main-window.ui</file>
     <file preprocess="xml-stripblanks">zoom-control.ui</file>
diff --git a/src/gnome-maps.js.gresource.xml b/src/gnome-maps.js.gresource.xml
index 33355bc..ce962cc 100644
--- a/src/gnome-maps.js.gresource.xml
+++ b/src/gnome-maps.js.gresource.xml
@@ -5,6 +5,7 @@
     <file>config.js</file>
     <file>contextMenu.js</file>
     <file>epaf.js</file>
+    <file>favoritesPopover.js</file>
     <file>geoclue.js</file>
     <file>geocodeService.js</file>
     <file>http.js</file>