Import Upstream version 43.0upstream/latest

1 files changed, 573 insertions, 0 deletions

diff --git a/src/plugins/next-week-panel/gtd-next-week-panel.c b/src/plugins/next-week-panel/gtd-next-week-panel.c
new file mode 100644
index 0000000..33ea031
--- /dev/null
+++ b/src/plugins/next-week-panel/gtd-next-week-panel.c
@@ -0,0 +1,573 @@
+/* gtd-next-week-panel.c
+ *
+ * Copyright 2018-2020 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
+ *
+ * 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/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+
+#define G_LOG_DOMAIN "GtdNextWeekPanel"
+
+#include "gtd-next-week-panel.h"
+
+#include "endeavour.h"
+
+#include <glib/gi18n.h>
+#include <math.h>
+
+
+#define GTD_NEXT_WEEK_PANEL_NAME     "next-week-panel"
+#define GTD_NEXT_WEEK_PANEL_PRIORITY 700
+
+struct _GtdNextWeekPanel
+{
+  GtkBox              parent;
+
+  GIcon              *icon;
+
+  guint               number_of_tasks;
+  GtdTaskListView    *view;
+
+  GtkFilterListModel *filter_model;
+  GtkFilterListModel *incomplete_model;
+  GtkSortListModel   *sort_model;
+
+  GtkCssProvider     *css_provider;
+};
+
+static void          gtd_panel_iface_init                        (GtdPanelInterface  *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GtdNextWeekPanel, gtd_next_week_panel, GTK_TYPE_BOX,
+                         G_IMPLEMENT_INTERFACE (GTD_TYPE_PANEL, gtd_panel_iface_init))
+
+enum
+{
+  PROP_0,
+  PROP_ICON,
+  PROP_MENU,
+  PROP_NAME,
+  PROP_PRIORITY,
+  PROP_SUBTITLE,
+  PROP_TITLE,
+  N_PROPS
+};
+
+
+/*
+ * Auxiliary methods
+ */
+
+static void
+load_css_provider (GtdNextWeekPanel *self)
+{
+  g_autoptr (GSettings) settings = NULL;
+  g_autoptr (GFile) css_file = NULL;
+  g_autofree gchar *theme_name = NULL;
+  g_autofree gchar *theme_uri = NULL;
+
+  /* Load CSS provider */
+  settings = g_settings_new ("org.gnome.desktop.interface");
+  theme_name = g_settings_get_string (settings, "gtk-theme");
+  theme_uri = g_build_filename ("resource:///org/gnome/todo/plugins/next-week-panel/theme", theme_name, ".css", NULL);
+  css_file = g_file_new_for_uri (theme_uri);
+
+  self->css_provider = gtk_css_provider_new ();
+  gtk_style_context_add_provider_for_display (gdk_display_get_default (),
+                                              GTK_STYLE_PROVIDER (self->css_provider),
+                                              GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+  if (g_file_query_exists (css_file, NULL))
+    gtk_css_provider_load_from_file (self->css_provider, css_file);
+  else
+    gtk_css_provider_load_from_resource (self->css_provider, "/org/gnome/todo/plugins/next-week-panel/theme/Adwaita.css");
+}
+
+static gboolean
+get_date_offset (GDateTime *dt,
+                 gint      *days_diff,
+                 gint      *years_diff)
+{
+  g_autoptr (GDateTime) now = NULL;
+  GDate now_date, dt_date;
+
+  g_date_clear (&dt_date, 1);
+  g_date_set_dmy (&dt_date,
+                  g_date_time_get_day_of_month (dt),
+                  g_date_time_get_month (dt),
+                  g_date_time_get_year (dt));
+
+  now = g_date_time_new_now_local ();
+
+  g_date_clear (&now_date, 1);
+  g_date_set_dmy (&now_date,
+                  g_date_time_get_day_of_month (now),
+                  g_date_time_get_month (now),
+                  g_date_time_get_year (now));
+
+
+  if (days_diff)
+    *days_diff = g_date_days_between (&now_date, &dt_date);
+
+  if (years_diff)
+    *years_diff = g_date_time_get_year (dt) - g_date_time_get_year (now);
+
+  return TRUE;
+}
+
+static gchar*
+get_string_for_date (GDateTime *dt,
+                     gint      *span)
+{
+  gchar *str;
+  gint days_diff;
+  gint years_diff;
+
+  /* This case should never happen */
+  if (!dt)
+    return g_strdup (_("No date set"));
+
+  days_diff = years_diff = 0;
+
+  get_date_offset (dt, &days_diff, &years_diff);
+
+  if (days_diff < 0)
+    {
+      str = g_strdup (_("Overdue"));
+    }
+  else if (days_diff == 0)
+    {
+      str = g_strdup (_("Today"));
+    }
+  else if (days_diff == 1)
+    {
+      str = g_strdup (_("Tomorrow"));
+    }
+  else if (days_diff > 1 && days_diff < 7)
+    {
+      str = g_date_time_format (dt, "%A"); // Weekday name
+    }
+  else if (days_diff >= 7 && years_diff == 0)
+    {
+      str = g_date_time_format (dt, "%OB"); // Full month name
+    }
+  else
+    {
+      str = g_strdup_printf ("%d", g_date_time_get_year (dt));
+    }
+
+  if (span)
+    *span = days_diff;
+
+  return str;
+}
+
+static GtkWidget*
+create_label (const gchar *text,
+              gint         span,
+              gboolean     first_header)
+{
+  GtkWidget *label;
+  GtkWidget *box;
+
+  label = g_object_new (GTK_TYPE_LABEL,
+                        "label", text,
+                        "margin-top", first_header ? 6 : 18,
+                        "margin-bottom", 6,
+                        "margin-start", 6,
+                        "margin-end", 6,
+                        "xalign", 0.0,
+                        "hexpand", TRUE,
+                        NULL);
+
+  gtk_widget_add_css_class (label, span < 0 ? "date-overdue" : "date-scheduled");
+
+  box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+
+  gtk_box_append (GTK_BOX (box), label);
+
+  return box;
+}
+
+static gint
+compare_by_date (GDateTime *d1,
+                 GDateTime *d2)
+{
+  if (g_date_time_get_year (d1) != g_date_time_get_year (d2))
+    return g_date_time_get_year (d1) - g_date_time_get_year (d2);
+
+  return g_date_time_get_day_of_year (d1) - g_date_time_get_day_of_year (d2);
+}
+
+static GtkWidget*
+header_func (GtdTask          *task,
+             GtdTask          *previous_task,
+             GtdNextWeekPanel *self)
+{
+  g_autoptr (GDateTime) dt = NULL;
+  g_autofree gchar *text = NULL;
+  gint span;
+
+  dt = gtd_task_get_due_date (task);
+
+  if (previous_task)
+    {
+      g_autoptr (GDateTime) before_dt = NULL;
+      gint before_diff, current_diff;
+
+      before_dt = gtd_task_get_due_date (previous_task);
+
+      get_date_offset (before_dt, &before_diff, NULL);
+      get_date_offset (dt, &current_diff, NULL);
+
+      if ((before_diff < 0 && current_diff >= 0) ||
+          (before_diff >= 0 && current_diff >= 0 && before_diff != current_diff))
+        {
+          text = get_string_for_date (dt, &span);
+        }
+    }
+  else
+    {
+      text = get_string_for_date (dt, &span);
+    }
+
+  return text ? create_label (text, span, !previous_task) : NULL;
+}
+
+static gint
+sort_func (gconstpointer a,
+           gconstpointer b,
+           gpointer      user_data)
+{
+  GDateTime *dt1;
+  GDateTime *dt2;
+  GtdTask *task1;
+  GtdTask *task2;
+  gint retval;
+  gchar *t1;
+  gchar *t2;
+
+  task1 = (GtdTask*) a;
+  task2 = (GtdTask*) b;
+
+  /* First, compare by ::due-date. */
+  dt1 = gtd_task_get_due_date (task1);
+  dt2 = gtd_task_get_due_date (task2);
+
+  if (!dt1 && !dt2)
+    retval = 0;
+  else if (!dt1)
+    retval = 1;
+  else if (!dt2)
+    retval = -1;
+  else
+    retval = compare_by_date (dt1, dt2);
+
+  g_clear_pointer (&dt1, g_date_time_unref);
+  g_clear_pointer (&dt2, g_date_time_unref);
+
+  if (retval != 0)
+    return retval;
+
+  /* Third, compare by ::creation-date. */
+  dt1 = gtd_task_get_creation_date (task1);
+  dt2 = gtd_task_get_creation_date (task2);
+
+  if (!dt1 && !dt2)
+    retval =  0;
+  else if (!dt1)
+    retval =  1;
+  else if (!dt2)
+    retval = -1;
+  else
+    retval = g_date_time_compare (dt1, dt2);
+
+  g_clear_pointer (&dt1, g_date_time_unref);
+  g_clear_pointer (&dt2, g_date_time_unref);
+
+  if (retval != 0)
+    return retval;
+
+  /* Finally, compare by ::title. */
+  t1 = t2 = NULL;
+
+  t1 = g_utf8_casefold (gtd_task_get_title (task1), -1);
+  t2 = g_utf8_casefold (gtd_task_get_title (task2), -1);
+
+  retval = g_strcmp0 (t1, t2);
+
+  g_free (t1);
+  g_free (t2);
+
+  return retval;
+}
+
+static gboolean
+filter_func (gpointer item,
+             gpointer user_data)
+{
+  g_autoptr (GDateTime) task_dt = NULL;
+  GtdTask *task;
+  gboolean complete;
+  gint days_offset;
+
+  task = (GtdTask*) item;
+  complete = gtd_task_get_complete (task);
+  task_dt = gtd_task_get_due_date (task);
+
+  return task_dt != NULL &&
+         get_date_offset (task_dt, &days_offset, NULL) &&
+         days_offset < 7 &&
+         ((days_offset < 0 && !complete) || days_offset >= 0);
+}
+
+static gboolean
+filter_complete_func (gpointer item,
+                      gpointer user_data)
+{
+  GtdTask *task = (GtdTask*) item;
+
+  return !gtd_task_get_complete (task);
+}
+
+static void
+on_model_items_changed_cb (GListModel       *model,
+                           guint             position,
+                           guint             n_removed,
+                           guint             n_added,
+                           GtdNextWeekPanel *self)
+{
+  if (self->number_of_tasks == g_list_model_get_n_items (model))
+    return;
+
+  self->number_of_tasks = g_list_model_get_n_items (model);
+  g_object_notify (G_OBJECT (self), "subtitle");
+}
+
+static void
+on_clock_day_changed_cb (GtdClock         *clock,
+                         GtdNextWeekPanel *self)
+{
+  g_autoptr (GDateTime) now = NULL;
+  GtkFilter *filter;
+
+  now = g_date_time_new_now_local ();
+  gtd_task_list_view_set_default_date (self->view, now);
+
+  filter = gtk_filter_list_model_get_filter (self->filter_model);
+  gtk_filter_changed (filter, GTK_FILTER_CHANGE_DIFFERENT);
+}
+
+/*
+ * GtdPanel iface
+ */
+
+static const gchar*
+gtd_panel_next_week_get_panel_name (GtdPanel *panel)
+{
+  return GTD_NEXT_WEEK_PANEL_NAME;
+}
+
+static const gchar*
+gtd_panel_next_week_get_panel_title (GtdPanel *panel)
+{
+  return _("Next 7 Days");
+}
+
+static GList*
+gtd_panel_next_week_get_header_widgets (GtdPanel *panel)
+{
+  return NULL;
+}
+
+static const GMenu*
+gtd_panel_next_week_get_menu (GtdPanel *panel)
+{
+  return NULL;
+}
+
+static GIcon*
+gtd_panel_next_week_get_icon (GtdPanel *panel)
+{
+  return g_object_ref (GTD_NEXT_WEEK_PANEL (panel)->icon);
+}
+
+static guint32
+gtd_panel_next_week_get_priority (GtdPanel *panel)
+{
+  return GTD_NEXT_WEEK_PANEL_PRIORITY;
+}
+
+static gchar*
+gtd_panel_next_week_get_subtitle (GtdPanel *panel)
+{
+  GtdNextWeekPanel *self = GTD_NEXT_WEEK_PANEL (panel);
+
+  return g_strdup_printf ("%d", self->number_of_tasks);
+}
+
+static void
+gtd_panel_iface_init (GtdPanelInterface *iface)
+{
+  iface->get_panel_name = gtd_panel_next_week_get_panel_name;
+  iface->get_panel_title = gtd_panel_next_week_get_panel_title;
+  iface->get_header_widgets = gtd_panel_next_week_get_header_widgets;
+  iface->get_menu = gtd_panel_next_week_get_menu;
+  iface->get_icon = gtd_panel_next_week_get_icon;
+  iface->get_priority = gtd_panel_next_week_get_priority;
+  iface->get_subtitle = gtd_panel_next_week_get_subtitle;
+}
+
+
+/*
+ * GObject overrides
+ */
+
+static void
+gtd_next_week_panel_finalize (GObject *object)
+{
+  GtdNextWeekPanel *self = (GtdNextWeekPanel *)object;
+
+  g_clear_object (&self->css_provider);
+  g_clear_object (&self->icon);
+  g_clear_object (&self->filter_model);
+  g_clear_object (&self->incomplete_model);
+  g_clear_object (&self->sort_model);
+
+  G_OBJECT_CLASS (gtd_next_week_panel_parent_class)->finalize (object);
+}
+
+static void
+gtd_next_week_panel_get_property (GObject    *object,
+                                  guint       prop_id,
+                                  GValue     *value,
+                                  GParamSpec *pspec)
+{
+  GtdNextWeekPanel *self = GTD_NEXT_WEEK_PANEL (object);
+
+  switch (prop_id)
+    {
+    case PROP_ICON:
+      g_value_set_object (value, self->icon);
+      break;
+
+    case PROP_MENU:
+      g_value_set_object (value, NULL);
+      break;
+
+    case PROP_NAME:
+      g_value_set_string (value, GTD_NEXT_WEEK_PANEL_NAME);
+      break;
+
+    case PROP_PRIORITY:
+      g_value_set_uint (value, GTD_NEXT_WEEK_PANEL_PRIORITY);
+      break;
+
+    case PROP_SUBTITLE:
+      g_value_take_string (value, gtd_panel_get_subtitle (GTD_PANEL (self)));
+      break;
+
+    case PROP_TITLE:
+      g_value_set_string (value, gtd_panel_get_panel_title (GTD_PANEL (self)));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+gtd_next_week_panel_set_property (GObject      *object,
+                                  guint         prop_id,
+                                  const GValue *value,
+                                  GParamSpec   *pspec)
+{
+  G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+}
+
+static void
+gtd_next_week_panel_class_init (GtdNextWeekPanelClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = gtd_next_week_panel_finalize;
+  object_class->get_property = gtd_next_week_panel_get_property;
+  object_class->set_property = gtd_next_week_panel_set_property;
+
+  g_object_class_override_property (object_class, PROP_ICON, "icon");
+  g_object_class_override_property (object_class, PROP_MENU, "menu");
+  g_object_class_override_property (object_class, PROP_NAME, "name");
+  g_object_class_override_property (object_class, PROP_PRIORITY, "priority");
+  g_object_class_override_property (object_class, PROP_SUBTITLE, "subtitle");
+  g_object_class_override_property (object_class, PROP_TITLE, "title");
+}
+
+static void
+gtd_next_week_panel_init (GtdNextWeekPanel *self)
+{
+  g_autoptr (GDateTime) now = g_date_time_new_now_local ();
+  GtdManager *manager = gtd_manager_get_default ();
+  GtkCustomFilter *incomplete_filter;
+  GtkCustomFilter *filter;
+  GtkCustomSorter *sorter;
+
+  self->icon = g_themed_icon_new ("view-tasks-week-symbolic");
+
+  filter = gtk_custom_filter_new (filter_func, self, NULL);
+  self->filter_model = gtk_filter_list_model_new (gtd_manager_get_tasks_model (manager),
+                                                  GTK_FILTER (filter));
+
+  sorter = gtk_custom_sorter_new (sort_func, self, NULL);
+  self->sort_model = gtk_sort_list_model_new (G_LIST_MODEL (self->filter_model),
+                                              GTK_SORTER (sorter));
+
+  incomplete_filter = gtk_custom_filter_new (filter_complete_func, self, NULL);
+  self->incomplete_model = gtk_filter_list_model_new (G_LIST_MODEL (self->sort_model),
+                                                      GTK_FILTER (incomplete_filter));
+
+  /* The main view */
+  self->view = GTD_TASK_LIST_VIEW (gtd_task_list_view_new ());
+  gtd_task_list_view_set_model (GTD_TASK_LIST_VIEW (self->view), G_LIST_MODEL (self->sort_model));
+  gtd_task_list_view_set_show_list_name (GTD_TASK_LIST_VIEW (self->view), TRUE);
+  gtd_task_list_view_set_show_due_date (GTD_TASK_LIST_VIEW (self->view), FALSE);
+  gtd_task_list_view_set_default_date (self->view, now);
+
+  gtk_widget_set_hexpand (GTK_WIDGET (self->view), TRUE);
+  gtk_widget_set_vexpand (GTK_WIDGET (self->view), TRUE);
+  gtk_box_append (GTK_BOX (self), GTK_WIDGET (self->view));
+
+  gtd_task_list_view_set_header_func (GTD_TASK_LIST_VIEW (self->view),
+                                      (GtdTaskListViewHeaderFunc) header_func,
+                                      self);
+
+  g_signal_connect_object (self->incomplete_model,
+                           "items-changed",
+                           G_CALLBACK (on_model_items_changed_cb),
+                           self,
+                           0);
+
+  g_signal_connect_object (gtd_manager_get_clock (manager),
+                           "day-changed",
+                           G_CALLBACK (on_clock_day_changed_cb),
+                           self,
+                           0);
+  load_css_provider (self);
+}
+
+GtkWidget*
+gtd_next_week_panel_new (void)
+{
+  return g_object_new (GTD_TYPE_NEXT_WEEK_PANEL, NULL);
+}