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const Endless = imports.gi.Endless;
const GObject = imports.gi.GObject;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const CategoryBackButton = imports.wikipedia.widgets.category_back_button;
const EndlessWikipedia = imports.wikipedia.EndlessWikipedia;
const FixedSizeTextView = imports.wikipedia.widgets.FixedSizeTextView;
GObject.ParamFlags.READWRITE = GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE;
const PrebuiltCategoryPage = new Lang.Class({
Name: 'PrebuiltCategoryPage',
Extends: Gtk.Frame,
Properties: {
'title': GObject.ParamSpec.string('title',
'Name of category',
'Name of the category to be displayed at the top of the category page',
GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT,
''),
'description': GObject.ParamSpec.string('description',
'Description',
'Description of the category (excerpt from Wiki text)',
GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT,
''),
// resource URI for the category's accompanying image
'image-uri': GObject.ParamSpec.string('image-uri',
'Image URI',
'Resource URI for the image file accompanying the category',
GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT,
'')
},
Signals: {
'go-back-home':{}
},
_get_info_box: function(){
this._title_label = new Gtk.Label({
name: 'category-title',
expand: false,
halign: Gtk.Align.START,
xalign: 0.0, // deprecated Gtk.Misc property; necessary because
wrap: true, // "wrap" doesn't respect "halign"
width_chars: 15,
max_width_chars: 18
});
let description_separator = new Gtk.Frame();
description_separator.get_style_context().add_class(
EndlessWikipedia.STYLE_CLASS_CATEGORY_HORIZONTAL_SEPARATOR);
this._description_text_view = new FixedSizeTextView.FixedSizeTextView({
name: 'category-description',
sensitive: false,
editable: false,
cursor_visible: false,
pixels_inside_wrap: 10,
wrap_mode: Gtk.WrapMode.WORD
});
let description_scrolled_window = new Gtk.ScrolledWindow({
name: 'category-scrolled-window',
halign: Gtk.Align.FILL,
vexpand: true,
hscrollbar_policy: Gtk.PolicyType.NEVER,
vscrollbar_policy: Gtk.PolicyType.AUTOMATIC
});
description_scrolled_window.add(this._description_text_view);
// Would rather have a more lightweight widget here like alignment,
// but alignment doesn't seem to respect padding and margin
let description_alignment = new Gtk.Frame({
name: 'category-description-align'
});
description_alignment.add(description_scrolled_window);
let vertical_separator = new Gtk.Frame();
vertical_separator.get_style_context().add_class(
EndlessWikipedia.STYLE_CLASS_CATEGORY_VERTICAL_SEPARATOR);
let grid = new Gtk.Grid();
grid.attach(this._title_label, 0, 0, 1, 1);
grid.attach(description_separator, 0, 1, 1, 1);
grid.attach(description_alignment, 0, 2, 1, 1);
grid.attach(vertical_separator, 1, 0, 1, 3);
let frame = new Gtk.Frame({
name: 'category-info',
vexpand: true
});
frame.add(grid);
return frame;
},
_init: function(props) {
this._title = null;
this._description = null;
this._category_provider = new Gtk.CssProvider();
this.parent(props);
let info_box = this._get_info_box();
let back_button = new CategoryBackButton.CategoryBackButton({
name: 'category-back-button',
expand: true,
halign: Gtk.Align.START,
valign: Gtk.Align.FILL
});
back_button.connect('clicked', Lang.bind(this, function() {
this.emit('go-back-home');
}));
let vertical_separator = new Gtk.Frame();
vertical_separator.get_style_context().add_class(
EndlessWikipedia.STYLE_CLASS_CATEGORY_VERTICAL_SEPARATOR);
let grid = new Gtk.Grid({
orientation: Gtk.Orientation.HORIZONTAL
});
grid.add(back_button);
grid.add(vertical_separator);
grid.add(info_box);
this.add(grid);
// Add style contexts for CSS
let context = this.get_style_context();
context.add_class(EndlessWikipedia.STYLE_CLASS_CATEGORY_PAGE);
},
get title() {
return this._title;
},
set title(value) {
this._title = value;
if(this._title_label)
this._title_label.label = value.toUpperCase();
},
get description() {
return this._description;
},
set description(value) {
this._description = value;
if(this._description_text_view)
this._description_text_view.buffer.set_text(value, -1);
},
get image_uri(){
return this._image_uri;
},
set image_uri(value){
if (value) {
let frame_css = "#category_frame{background-image: url('" + value + "');background-repeat:no-repeat;background-size:cover;}";
this._category_provider.load_from_data(frame_css);
let context = this.get_style_context();
context.add_provider(this._category_provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
}
}
});
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