From e7bf5952d0729b37e677168b6e8fbd1ce58ed1a2 Mon Sep 17 00:00:00 2001
From: Pacien TRAN-GIRARD
Date: Sun, 10 Aug 2014 17:28:37 +0200
Subject: First version

---
 point/control/slide.js | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 point/control/slide.js

(limited to 'point/control/slide.js')

diff --git a/point/control/slide.js b/point/control/slide.js
new file mode 100644
index 0000000..c539a60
--- /dev/null
+++ b/point/control/slide.js
@@ -0,0 +1,86 @@
+/*
+ *	This file is part of "What's The Point" <https://github.com/Pacien/WhatsThePoint>
+ *	Copyright (C) 2014  Pacien TRAN-GIRARD
+ *
+ *	"What's The Point" is free software: you can redistribute it and/or modify
+ *	it under the terms of the GNU Affero General Public License as
+ *	published by the Free Software Foundation, either version 3 of the
+ *	License, or (at your option) any later version.
+ *
+ *	"What's The Point" 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 Affero General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Affero General Public License
+ *	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+define(["control/control"], function (control) {
+
+	var slide = {
+
+		init: function () {
+			this.slideCount = document.getElementsByTagName("p-slide").length;
+			this.start();
+			this.bindEvent();
+		},
+
+		start: function () {
+			var slideIndex = location.hash.substr(1);
+			location.hash = 0;
+			location.hash = 1;
+			this.setCurrentSlide(slideIndex);
+		},
+
+		setCurrentSlide: function (slideIndex) {
+			if (isNaN(slideIndex) || slideIndex < 1 || slideIndex > this.slideCount) {
+				return false;
+			}
+			location.hash = slideIndex;
+			return true;
+		},
+
+		getCurrentSlideIndex: function () {
+			var hash = location.hash.substring(1);
+			return isNaN(hash) || hash < 1 || hash > this.slideCount ? 0 : Number(hash);
+		},
+
+		shift: function (delta) {
+			return this.getCurrentSlideIndex() + delta;
+		},
+
+		getIndex: function (target) {
+			switch (target) {
+				case control.GOTO.PREVIOUS_SLIDE:
+					return this.shift(-1);
+
+				case control.GOTO.NEXT_SLIDE:
+					return this.shift(+1);
+
+				case control.GOTO.FIRST_SLIDE:
+					return 1;
+
+				case control.GOTO.LAST_SLIDE:
+					return this.slideCount;
+			}
+		},
+
+		translate: function (target) {
+			control.dispatchEvent(control.EVENT.SLIDE, this.getIndex(target));
+		},
+
+		bindEvent: function () {
+			control.bindEvent(control.EVENT.GOTO, function (gotoEvent) {
+				slide.translate(gotoEvent.detail);
+			});
+
+			control.bindEvent(control.EVENT.SLIDE, function (slideEvent) {
+				slide.setCurrentSlide(slideEvent.detail);
+			});
+		},
+	};
+
+	return slide;
+
+});
-- 
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