First versionHEADmaster

1 files changed, 86 insertions, 0 deletions

diff --git a/point/control/slide.js b/point/control/slide.js
new file mode 100644
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--- /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;
+
+});