Files
simple-bookreader/client/core/controls/controls.js
Oleg Mokhov f3546ef3a5 Release
2015-06-20 14:48:34 +05:00

188 lines
5.3 KiB
JavaScript
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modules.define(
'controls',
[
'y-block',
'jquery',
'y-extend',
'inherit'
],
function (
provide,
YBlock,
$,
extend,
inherit
) {
/*jshint devel:true*/
var Controls = inherit(YBlock, {
__constructor: function () {
this.__base.apply(this, arguments);
var menu = this._findElement('menu');
var params = extend({
zoom: false,
// Длина свайпа в пикселах
swipeLength: 20
}, this._getOptions());
this._trigger = this._findElement('trigger');
this._bindTo(this._trigger, 'click', function () {
this._toggleElementState(menu, 'state', 'opened', 'closed');
});
if (params.zoom) {
this._initZoomControls();
}
if (params.footnotes) {
this._initFootnotes();
}
if (params.pages) {
this._initPageModes();
}
if (params.arrows) {
this._initArrowControls();
}
},
_initArrowControls: function () {
this.arrowLeft = this._findElement('arrow-left');
this.arrowRight = this._findElement('arrow-right');
this._bindTo(this.arrowRight, 'click', function () {
this.emit('next-page');
});
this._bindTo(this.arrowLeft, 'click', function () {
this.emit('previous-page');
});
},
_initZoomControls: function () {
this._bindTo(this._findElement('plus'), 'click', function () {
this.emit('zoom-in');
});
this._bindTo(this._findElement('minus'), 'click', function () {
this.emit('zoom-out');
});
},
/**
* Инициализация блока со сносками
*/
_initFootnotes: function () {
this._bindTo(this._findElement('footnotes'), 'click', function (e) {
this._toggleElementState($(e.currentTarget), 'mode', 'appendix', 'inline');
this.emit('footnotes-' + this._getElementState($(e.currentTarget), 'mode'));
});
},
/**
* Устанавливает режим сносок в нужный
*
* @param {String} mode
*/
setFootnotesMode: function (mode) {
this._setElementState(this._findElement('footnotes'), 'mode', mode);
},
/**
* Инициализация контрола страничного отображения
*/
_initPageModes: function () {
var pages = this._findElement('pages');
var modes = ['auto', 'one', 'two'];
this._pageMode = modes.indexOf(this._getElementState(pages, 'mode'));
this._bindTo(pages, 'click', function () {
this._pageMode = (this._pageMode + 1) % 3;
this._setElementState(pages, 'mode', modes[this._pageMode]);
this.emit('pages-' + this._getElementState(pages, 'mode'));
});
},
/**
* Устанавливает режим отображения в нужный
*
* @param {String} mode
*/
setPageViewMode: function (mode) {
var pages = this._findElement('pages');
var modes = ['auto', 'one', 'two'];
this._setElementState(pages, 'mode', mode);
this._pageMode = modes.indexOf(mode);
},
resetZoomButtons: function () {
this._removeElementState(
this._findElement('plus'),
'disabled'
);
this._removeElementState(
this._findElement('minus'),
'disabled'
);
},
disableZoomIn: function () {
this._setElementState(
this._findElement('plus'),
'disabled'
);
},
disableZoomOut: function () {
this._setElementState(
this._findElement('minus'),
'disabled'
);
},
resetArrows: function () {
this._removeElementState(
this.arrowLeft,
'disabled'
);
this._removeElementState(
this.arrowRight,
'disabled'
);
},
disableArrowNext: function () {
this._setElementState(
this.arrowRight,
'disabled'
);
},
disableArrowPrev: function () {
this._setElementState(
this.arrowLeft,
'disabled'
);
},
/**
* Показывает блок с контролами контролы
*/
show: function () {
this._removeState('hidden');
},
/**
* Показывает блок с контролами контролы
*/
hide: function () {
this._setState('hidden');
}
}, {
getBlockName: function () {
return 'controls';
}
});
provide(Controls);
});