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// Collections size on the screen
var entriesByScreen = 8;
// Learn app class
enyo.kind({
name: "Abcd.Learn",
kind: enyo.Control,
classes: "board",
published: {
context: null,
},
components: [
{components: [
{name: "colorBar", classes: "colorBar"},
{name: "home", kind: "Abcd.HomeButton"},
{name: "startSlideshow", kind: "Image", src: "images/slideshow.png", showing: false, ontap: "startSlideshow", classes: "slideshow"},
{name: "stopSlideshow", kind: "Image", src: "images/pause.png", showing: false, ontap: "stopSlideshow", classes: "slideshow"},
{kind: "Abcd.CaseButton"},
{kind: "Abcd.LanguageButton"}
]},
{components: [
{name: "pageCount", content: "-/-", classes: "pageCount", showing: false},
{name: "back", kind: "Image", src: "images/back.png", showing: false, classes: "backButton", ontap: "backTaped"},
{name: "prev", kind: "Image", src: "images/previous.png", showing: false, classes: "prevButton", ontap: "displayPrevEntries"},
{name: "next", kind: "Image", src: "images/next.png", showing: false, classes: "nextButton", ontap: "displayNextEntries"}
]},
{name: "box", components: [
]}
],
// Constructor, save home
create: function() {
// Initialize
this.inherited(arguments);
this.theme = this.collection = this.entry = this.position = -1;
this.collections = [];
this.playing = null;
this.slideshowIndex = -1;
// Set previous context
this.restoreContext();
if (this.theme != -1) {
if (this.theme == 4)
this.displayLetters({letter: this.collection});
else if (this.collection != -1)
this.displayEntries({index: this.collection});
else
this.displayCollections({index: this.theme});
} else
this.displayThemes();
},
// Context handling
restoreContext: function() {
if (this.context == null || this.context == "")
return;
var values = this.context.split('|');
this.theme = values[0];
this.collection = values[1];
this.entry = parseInt(values[2]);
},
saveContext: function() {
var values = [];
values.push(this.theme);
values.push(this.collection);
values.push(this.position);
return values.join("|");
},
// Localization changed
setLocale: function() {
// If on an entry, redisplay from the beginning to avoid displaying non translated text
var current = this.$.box.getControls()[0];
if (current.kind == "Abcd.Entry") {
this.entry = -1;
if (this.theme != 4)
this.displayEntries({index: Abcd.entries[current.index].coll});
else
this.displayLetters({letter:this.collection});
return;
}
// Change entry localization if any
enyo.forEach(this.$.box.getControls(), function(entry) {
entry.setLocale();
});
},
// Case changed
setCase: function() {
// Redraw entry
enyo.forEach(this.$.box.getControls(), function(entry) {
if (entry.kind == 'Abcd.Letter')
entry.letterChanged();
else
entry.indexChanged();
});
},
// Display themes and letters
displayThemes: function() {
// Display themes
this.theme = -1;
var length = Abcd.themes.length;
this.cleanBox();
this.$.box.addClass("box-4-theme");
Abcd.changeVisibility(this, {home: true, back: false, prev: false, next: false, pageCount: false, startSlideshow: false, stopSlideshow: false});
this.$.colorBar.addClass("themeColor"+this.theme);
for (var i = 0 ; i < length ; i++) {
this.$.box.createComponent(
{ kind: "Abcd.Theme", index: i, ontap: "displayCollections" },
{ owner: this }
).render();
}
// Display letters
for (var i = 0 ; i < 26 ; i++) {
this.$.box.createComponent(
{ kind: "Abcd.Letter", letter: String.fromCharCode(65+i), ontap: "displayLetters" },
{ owner: this }
).render();
}
},
// Display all collection for a theme
displayCollections: function(inSender, inEvent) {
this.theme = inSender.index;
var length = Abcd.collections.length;
this.cleanBox();
Abcd.changeVisibility(this, {home: false, back: true, prev: false, next: false, pageCount: false, startSlideshow: false, stopSlideshow: false});
this.$.colorBar.removeClass("themeColor-1");
this.$.colorBar.addClass("themeColor"+this.theme);
this.$.box.removeClass("box-4-theme");
this.$.box.addClass("box-4-collection");
for (var i = 0 ; i < length ; i++) {
if (Abcd.collections[i].theme != this.theme) continue;
this.$.box.createComponent({ kind: "Abcd.Collection", index: i, ontap: "displayEntries"}, {owner: this}).render();
}
},
// Display entries in a collection
displayEntries: function(inSender, inEvent) {
// Get items in collection
this.$.box.removeClass("box-4-collection");
this.$.colorBar.addClass("themeColor"+this.theme);
var index = inSender.index;
this.collection = index;
this.collections = [];
var length = Abcd.collections[index].entries.length;
for (var i = 0 ; i < length ; i++) {
var entry = Abcd.collections[index].entries[i];
if (Abcd.entries[entry][Abcd.context.lang] == 1)
this.collections.push(entry);
}
// Display it
this.displayEntriesFrom(this.entry+1);
},
// Display entries from a letter
displayLetters: function(inSender, inEvent) {
// Play letter sound
if (inSender.kind !== undefined)
inSender.play(Abcd.sound);
// Get items with this letters
this.collection = inSender.letter;
if (Abcd.letters[this.collection] === undefined)
return;
this.collections = Abcd.letters[this.collection];
// Display it
this.theme = 4;
this.$.colorBar.addClass("themeColor"+this.theme);
this.$.box.removeClass("box-4-theme");
this.displayEntriesFrom(this.entry+1);
},
displayEntriesFrom: function(position) {
// Prepare header
this.cleanBox();
this.$.box.addClass("box-4-entry");
Abcd.changeVisibility(this, {home: false, back: true, pageCount: true, startSlideshow: true, stopSlideshow: false});
// Draw N entries
length = this.collections.length;
var count = 0;
for (var i = position ; i < length ; i++) {
this.$.box.createComponent({ kind: "Abcd.Entry", index:this.collections[i], ontap: "play", onEntrySoundEnded: "soundEnd"}, {owner: this}).render();
this.entry = i;
if (++count == entriesByScreen)
break;
}
// Change button visibility and counter
if (position != 0)
this.$.prev.show();
else
this.$.prev.hide();
if (this.entry+1 < length)
this.$.next.show();
else
this.$.next.hide();
this.$.pageCount.setContent(Math.ceil(i/entriesByScreen)+"/"+Math.ceil(length/entriesByScreen));
this.position = position-1;
},
displayNextEntries: function() {
if (this.entry+1 < this.collections.length) {
this.displayEntriesFrom(this.entry+1);
}
},
displayPrevEntries: function() {
this.displayEntriesFrom(Math.max(0,this.entry-entriesByScreen-this.entry%entriesByScreen));
},
backTaped: function() {
var current = this.$.box.getControls()[0];
this.entry = -1;
if (current.kind == "Abcd.Entry" && this.theme != 4) {
this.displayCollections({index: this.theme});
this.$.box.removeClass("box-4-entry");
return;
}
this.$.colorBar.removeClass("themeColor"+this.theme);
this.$.box.removeClass("box-4-collection");
this.displayThemes();
},
// Delete all the box content
cleanBox: function() {
var items = [];
enyo.forEach(this.$.box.getControls(), function(item) {
items.push(item);
});
for (var i = 0 ; i < items.length ; i++) {
items[i].destroy();
}
},
// Slideshow handling
startSlideshow: function(inSender, inObject) {
this.slideshowIndex = 0;
Abcd.changeVisibility(this, {startSlideshow: false, stopSlideshow: true});
var first = this.$.box.getControls()[this.slideshowIndex];
this.play(first);
},
stopSlideshow: function(inSender, inObject) {
this.slideshowIndex = -1;
Abcd.changeVisibility(this, {startSlideshow: true, stopSlideshow: false});
},
// Play entry sound
play: function(inSender, inObject) {
if (this.playing != null)
this.playing.abort();
this.playing = inSender;
inSender.play(Abcd.sound);
},
soundEnd: function(inSender, inObject) {
this.playing = null;
if (this.slideshowIndex != -1) {
var next = this.$.box.getControls()[++this.slideshowIndex];
if (next !== undefined)
this.play(next);
else
this.stopSlideshow();
}
}
});
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