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// Minimum number of entries to allow filtering
var minFilterEntries = 3;
// Filter popup
enyo.kind({
name: "Abcd.FilterPopup",
kind: "onyx.Popup",
classes: "filter-popup",
centered: true,
modal: true,
floating: true,
published: {
filter: null,
},
events: {
onFilterChanged: ""
},
components: [
{name: "box", classes: "filterBox", components: [
]},
{name: "trash", kind: "Image", src: "images/trashcan.png", classes: "trashButton", ontap: "trashTaped"},
],
// Constructor
create: function() {
this.inherited(arguments);
this.filterChanged();
},
rendered: function() {
this.displayThemes();
},
filterChanged: function() {
this.render();
},
// Display themes and letters
displayThemes: function() {
// Clean all
this.cleanBox();
// Display themes
var length = Abcd.themes.length;
var theme = -1;
if (this.filter != null && this.filter.kind == "Abcd.Collection")
theme = Abcd.collections[this.filter.index].theme;
for (var i = 0 ; i < length ; i++) {
this.$.box.createComponent(
{ kind: "Abcd.Theme", index: i, selected: (i == theme), ontap: "displayCollections" },
{ owner: this }
).render();
}
// Display letters
for (var i = 0 ; i < 26 ; i++) {
var letter = String.fromCharCode(65+i).toLowerCase();
this.$.box.createComponent(
{ kind: "Abcd.Letter", letter: letter,
selected: (this.filter != null&&this.filter.letter == letter), ontap: "filterOnLetter" },
{ owner: this }
).render();
}
},
// Display filter, recompute each time
display: function(filter) {
this.filter = filter;
this.render();
this.show();
},
// Display all collection
displayCollections: function(inSender, inEvent) {
var theme = inSender.index;
var length = Abcd.collections.length;
this.cleanBox();
for (var i = 0 ; i < length ; i++) {
if (Abcd.collections[i].theme != theme) continue;
this.$.box.createComponent({ kind: "Abcd.Collection", index: i,
selected: (this.filter != null&&this.filter.index == i),
ontap: "filterOnCollection"}, {owner: this}).render();
}
},
// Trash taped, remove filter
trashTaped: function() {
this.hide();
this.filter = null;
this.doFilterChanged();
},
// Tap on a letter, filter on this letter
filterOnLetter: function(l, e) {
if (!Abcd.letters.hasOwnProperty(l.letter) || Abcd.letters[l.letter].length < minFilterEntries)
return;
this.hide();
this.filter = l;
this.doFilterChanged();
},
// Tap on a collection, filter on this collection
filterOnCollection: function(c, e) {
var index = c.index;
var collection = Abcd.collections[index];
var length = collection.entries.length;
var count = 0;
for (var i = 0 ; i < length ; i++) {
var entry = collection.entries[i];
if (Abcd.entries[entry][Abcd.context.lang] == 1)
count++;
}
if (count < minFilterEntries)
return;
this.hide();
this.filter = c;
this.doFilterChanged();
},
cleanBox: function() {
// Delete all
var items = [];
enyo.forEach(this.$.box.getControls(), function(item) {
items.push(item);
});
for (var i = 0 ; i < items.length ; i++) {
items[i].destroy();
}
}
});
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