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OpenBoard/resources/library/search/Pixabay.wgs/select/jquery.selectBox.js

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/*
* jQuery selectBox - A cosmetic, styleable replacement for SELECT elements
*
* Copyright 2012 Cory LaViska for A Beautiful Site, LLC.
*
* https://github.com/claviska/jquery-selectBox
*
* Licensed under both the MIT license and the GNU GPLv2 (same as jQuery: http://jquery.org/license)
*
*/
if(jQuery) (function($) {
$.extend($.fn, {
selectBox: function(method, data) {
var typeTimer,
typeSearch = '',
isMac = navigator.platform.match(/mac/i);
//
// Private methods
//
var init = function(select, data) {
var options;
// Disable for iOS devices (their native controls are more suitable for a touch device)
if( navigator.userAgent.match(/iPad|iPhone|Android|IEMobile|BlackBerry/i) ) return false;
// Element must be a select control
if( select.tagName.toLowerCase() !== 'select' ) return false;
select = $(select);
if( select.data('selectBox-control') ) return false;
var control = $('<a class="selectBox" />'),
inline = select.attr('multiple') || parseInt(select.attr('size')) > 1;
var settings = data || {};
control
.width(select.outerWidth())
.addClass(select.attr('class'))
.attr('title', select.attr('title') || '')
.attr('tabindex', parseInt(select.attr('tabindex')))
.css('display', 'inline-block')
.bind('focus.selectBox', function() {
if( this !== document.activeElement && document.body !== document.activeElement ) $(document.activeElement).blur();
if( control.hasClass('selectBox-active') ) return;
control.addClass('selectBox-active');
select.trigger('focus');
})
.bind('blur.selectBox', function() {
if( !control.hasClass('selectBox-active') ) return;
control.removeClass('selectBox-active');
select.trigger('blur');
});
if( !$(window).data('selectBox-bindings') ) {
$(window)
.data('selectBox-bindings', true)
.bind('scroll.selectBox', hideMenus)
.bind('resize.selectBox', hideMenus);
}
if( select.attr('disabled') ) control.addClass('selectBox-disabled');
// Focus on control when label is clicked
select.bind('click.selectBox', function(event) {
control.focus();
event.preventDefault();
});
// Generate control
if( inline ) {
//
// Inline controls
//
options = getOptions(select, 'inline');
control
.append(options)
.data('selectBox-options', options)
.addClass('selectBox-inline selectBox-menuShowing')
.bind('keydown.selectBox', function(event) {
handleKeyDown(select, event);
})
.bind('keypress.selectBox', function(event) {
handleKeyPress(select, event);
})
.bind('mousedown.selectBox', function(event) {
if( $(event.target).is('A.selectBox-inline') ) event.preventDefault();
if( !control.hasClass('selectBox-focus') ) control.focus();
})
.insertAfter(select);
// Auto-height based on size attribute
if( !select[0].style.height ) {
var size = select.attr('size') ? parseInt(select.attr('size')) : 5;
// Draw a dummy control off-screen, measure, and remove it
var tmp = control
.clone()
.removeAttr('id')
.css({
position: 'absolute',
top: '-9999em'
})
.show()
.appendTo('body');
tmp.find('.selectBox-options').html('<li><a>\u00A0</a></li>');
var optionHeight = parseInt(tmp.find('.selectBox-options A:first').html('&nbsp;').outerHeight());
tmp.remove();
control.height(optionHeight * size);
}
disableSelection(control);
} else {
//
// Dropdown controls
//
var label = $('<span class="selectBox-label" />'),
arrow = $('<span class="selectBox-arrow" />');
// Update label
label
.attr('class', getLabelClass(select))
.text(getLabelText(select));
options = getOptions(select, 'dropdown');
options.appendTo('BODY');
control
.data('selectBox-options', options)
.addClass('selectBox-dropdown')
.append(label)
.append(arrow)
.bind('mousedown.selectBox', function(event) {
if( control.hasClass('selectBox-menuShowing') ) {
hideMenus();
} else {
event.stopPropagation();
// Webkit fix to prevent premature selection of options
options.data('selectBox-down-at-x', event.screenX).data('selectBox-down-at-y', event.screenY);
showMenu(select);
}
})
.bind('keydown.selectBox', function(event) {
handleKeyDown(select, event);
})
.bind('keypress.selectBox', function(event) {
handleKeyPress(select, event);
})
.bind('open.selectBox', function(event, triggerData) {
if(triggerData && triggerData._selectBox === true) return;
showMenu(select);
})
.bind('close.selectBox', function(event, triggerData) {
if(triggerData && triggerData._selectBox === true) return;
hideMenus();
})
.insertAfter(select);
// Set label width
var labelWidth = control.width() - arrow.outerWidth() - parseInt(label.css('paddingLeft')) - parseInt(label.css('paddingLeft'));
label.width(labelWidth);
disableSelection(control);
}
// Store data for later use and show the control
select
.addClass('selectBox')
.data('selectBox-control', control)
.data('selectBox-settings', settings)
.hide();
};
var getOptions = function(select, type) {
var options;
// Private function to handle recursion in the getOptions function.
var _getOptions = function(select, options) {
// Loop through the set in order of element children.
select.children('OPTION, OPTGROUP').each( function() {
// If the element is an option, add it to the list.
if ($(this).is('OPTION')) {
// Check for a value in the option found.
if($(this).length > 0) {
// Create an option form the found element.
generateOptions($(this), options);
}
else {
// No option information found, so add an empty.
options.append('<li>\u00A0</li>');
}
}
else {
// If the element is an option group, add the group and call this function on it.
var optgroup = $('<li class="selectBox-optgroup" />');
optgroup.text($(this).attr('label'));
options.append(optgroup);
options = _getOptions($(this), options);
}
});
// Return the built strin
return options;
};
switch( type ) {
case 'inline':
options = $('<ul class="selectBox-options" />');
options = _getOptions(select, options);
options
.find('A')
.bind('mouseover.selectBox', function(event) {
addHover(select, $(this).parent());
})
.bind('mouseout.selectBox', function(event) {
removeHover(select, $(this).parent());
})
.bind('mousedown.selectBox', function(event) {
event.preventDefault(); // Prevent options from being "dragged"
if( !select.selectBox('control').hasClass('selectBox-active') ) select.selectBox('control').focus();
})
.bind('mouseup.selectBox', function(event) {
hideMenus();
selectOption(select, $(this).parent(), event);
});
disableSelection(options);
return options;
case 'dropdown':
options = $('<ul class="selectBox-dropdown-menu selectBox-options" />');
options = _getOptions(select, options);
options
.data('selectBox-select', select)
.css('display', 'none')
.appendTo('BODY')
.find('A')
.bind('mousedown.selectBox', function(event) {
event.preventDefault(); // Prevent options from being "dragged"
if( event.screenX === options.data('selectBox-down-at-x') && event.screenY === options.data('selectBox-down-at-y') ) {
options.removeData('selectBox-down-at-x').removeData('selectBox-down-at-y');
hideMenus();
}
})
.bind('mouseup.selectBox', function(event) {
if( event.screenX === options.data('selectBox-down-at-x') && event.screenY === options.data('selectBox-down-at-y') ) {
return;
} else {
options.removeData('selectBox-down-at-x').removeData('selectBox-down-at-y');
}
selectOption(select, $(this).parent());
hideMenus();
}).bind('mouseover.selectBox', function(event) {
addHover(select, $(this).parent());
})
.bind('mouseout.selectBox', function(event) {
removeHover(select, $(this).parent());
});
// Inherit classes for dropdown menu
var classes = select.attr('class') || '';
if( classes !== '' ) {
classes = classes.split(' ');
for( var i in classes ) options.addClass(classes[i] + '-selectBox-dropdown-menu');
}
disableSelection(options);
return options;
}
};
var getLabelClass = function(select) {
var selected = $(select).find('OPTION:selected');
return ('selectBox-label ' + (selected.attr('class') || '')).replace(/\s+$/, '');
};
var getLabelText = function(select) {
var selected = $(select).find('OPTION:selected');
return selected.text() || '\u00A0';
};
var setLabel = function(select) {
select = $(select);
var control = select.data('selectBox-control');
if( !control ) return;
control.find('.selectBox-label').attr('class', getLabelClass(select)).text(getLabelText(select));
};
var destroy = function(select) {
select = $(select);
var control = select.data('selectBox-control');
if( !control ) return;
var options = control.data('selectBox-options');
options.remove();
control.remove();
select
.removeClass('selectBox')
.removeData('selectBox-control').data('selectBox-control', null)
.removeData('selectBox-settings').data('selectBox-settings', null)
.show();
};
var refresh = function(select) {
select = $(select);
select.selectBox('options', select.html());
};
var showMenu = function(select) {
select = $(select);
var control = select.data('selectBox-control'),
settings = select.data('selectBox-settings'),
options = control.data('selectBox-options');
if( control.hasClass('selectBox-disabled') ) return false;
hideMenus();
var borderBottomWidth = isNaN(control.css('borderBottomWidth')) ? 0 : parseInt(control.css('borderBottomWidth'));
// Menu position
options
.css('min-width', control.innerWidth())
.css({
top: control.offset().top + control.outerHeight() - borderBottomWidth,
left: control.offset().left
});
if( select.triggerHandler('beforeopen') ) return false;
var dispatchOpenEvent = function() {
select.triggerHandler('open', { _selectBox: true });
};
// Show menu
switch( settings.menuTransition ) {
case 'fade':
options.fadeIn(settings.menuSpeed, dispatchOpenEvent);
break;
case 'slide':
options.slideDown(settings.menuSpeed, dispatchOpenEvent);
break;
default:
options.show(settings.menuSpeed, dispatchOpenEvent);
break;
}
if( !settings.menuSpeed ) dispatchOpenEvent();
// Center on selected option
var li = options.find('.selectBox-selected:first');
keepOptionInView(select, li, true);
addHover(select, li);
control.addClass('selectBox-menuShowing');
$(document).bind('mousedown.selectBox', function(event) {
if( $(event.target).parents().andSelf().hasClass('selectBox-options') ) return;
hideMenus();
});
};
var hideMenus = function() {
if( $(".selectBox-dropdown-menu:visible").length === 0 ) return;
$(document).unbind('mousedown.selectBox');
$(".selectBox-dropdown-menu").each( function() {
var options = $(this),
select = options.data('selectBox-select'),
control = select.data('selectBox-control'),
settings = select.data('selectBox-settings');
if( select.triggerHandler('beforeclose') ) return false;
var dispatchCloseEvent = function() {
select.triggerHandler('close', { _selectBox: true });
};
switch( settings.menuTransition ) {
case 'fade':
options.fadeOut(settings.menuSpeed, dispatchCloseEvent);
break;
case 'slide':
options.slideUp(settings.menuSpeed, dispatchCloseEvent);
break;
default:
options.hide(settings.menuSpeed, dispatchCloseEvent);
break;
}
if( !settings.menuSpeed ) dispatchCloseEvent();
control.removeClass('selectBox-menuShowing');
});
};
var selectOption = function(select, li, event) {
select = $(select);
li = $(li);
var control = select.data('selectBox-control'),
settings = select.data('selectBox-settings');
if( control.hasClass('selectBox-disabled') ) return false;
if( li.length === 0 || li.hasClass('selectBox-disabled') ) return false;
if( select.attr('multiple') ) {
// If event.shiftKey is true, this will select all options between li and the last li selected
if( event.shiftKey && control.data('selectBox-last-selected') ) {
li.toggleClass('selectBox-selected');
var affectedOptions;
if( li.index() > control.data('selectBox-last-selected').index() ) {
affectedOptions = li.siblings().slice(control.data('selectBox-last-selected').index(), li.index());
} else {
affectedOptions = li.siblings().slice(li.index(), control.data('selectBox-last-selected').index());
}
affectedOptions = affectedOptions.not('.selectBox-optgroup, .selectBox-disabled');
if( li.hasClass('selectBox-selected') ) {
affectedOptions.addClass('selectBox-selected');
} else {
affectedOptions.removeClass('selectBox-selected');
}
} else if( (isMac && event.metaKey) || (!isMac && event.ctrlKey) ) {
li.toggleClass('selectBox-selected');
} else {
li.siblings().removeClass('selectBox-selected');
li.addClass('selectBox-selected');
}
} else {
li.siblings().removeClass('selectBox-selected');
li.addClass('selectBox-selected');
}
if( control.hasClass('selectBox-dropdown') ) {
control.find('.selectBox-label').text(li.text());
}
// Update original control's value
var i = 0, selection = [];
if( select.attr('multiple') ) {
control.find('.selectBox-selected A').each( function() {
selection[i++] = $(this).attr('rel');
});
} else {
selection = li.find('A').attr('rel');
}
// Remember most recently selected item
control.data('selectBox-last-selected', li);
// Change callback
if( select.val() !== selection ) {
select.val(selection);
setLabel(select);
select.trigger('change');
}
return true;
};
var addHover = function(select, li) {
select = $(select);
li = $(li);
var control = select.data('selectBox-control'),
options = control.data('selectBox-options');
options.find('.selectBox-hover').removeClass('selectBox-hover');
li.addClass('selectBox-hover');
};
var removeHover = function(select, li) {
select = $(select);
li = $(li);
var control = select.data('selectBox-control'),
options = control.data('selectBox-options');
options.find('.selectBox-hover').removeClass('selectBox-hover');
};
var keepOptionInView = function(select, li, center) {
if( !li || li.length === 0 ) return;
select = $(select);
var control = select.data('selectBox-control'),
options = control.data('selectBox-options'),
scrollBox = control.hasClass('selectBox-dropdown') ? options : options.parent(),
top = parseInt(li.offset().top - scrollBox.position().top),
bottom = parseInt(top + li.outerHeight());
if( center ) {
scrollBox.scrollTop( li.offset().top - scrollBox.offset().top + scrollBox.scrollTop() - (scrollBox.height() / 2) );
} else {
if( top < 0 ) {
scrollBox.scrollTop( li.offset().top - scrollBox.offset().top + scrollBox.scrollTop() );
}
if( bottom > scrollBox.height() ) {
scrollBox.scrollTop( (li.offset().top + li.outerHeight()) - scrollBox.offset().top + scrollBox.scrollTop() - scrollBox.height() );
}
}
};
var handleKeyDown = function(select, event) {
//
// Handles open/close and arrow key functionality
//
select = $(select);
var control = select.data('selectBox-control'),
options = control.data('selectBox-options'),
settings = select.data('selectBox-settings'),
totalOptions = 0,
i = 0;
if( control.hasClass('selectBox-disabled') ) return;
switch( event.keyCode ) {
case 8: // backspace
event.preventDefault();
typeSearch = '';
break;
case 9: // tab
case 27: // esc
hideMenus();
removeHover(select);
break;
case 13: // enter
if( control.hasClass('selectBox-menuShowing') ) {
selectOption(select, options.find('LI.selectBox-hover:first'), event);
if( control.hasClass('selectBox-dropdown') ) hideMenus();
} else {
showMenu(select);
}
break;
case 38: // up
case 37: // left
event.preventDefault();
if( control.hasClass('selectBox-menuShowing') ) {
var prev = options.find('.selectBox-hover').prev('LI');
totalOptions = options.find('LI:not(.selectBox-optgroup)').length;
i = 0;
while( prev.length === 0 || prev.hasClass('selectBox-disabled') || prev.hasClass('selectBox-optgroup') ) {
prev = prev.prev('LI');
if( prev.length === 0 ) {
if (settings.loopOptions) {
prev = options.find('LI:last');
} else {
prev = options.find('LI:first');
}
}
if( ++i >= totalOptions ) break;
}
addHover(select, prev);
selectOption(select, prev, event);
keepOptionInView(select, prev);
} else {
showMenu(select);
}
break;
case 40: // down
case 39: // right
event.preventDefault();
if( control.hasClass('selectBox-menuShowing') ) {
var next = options.find('.selectBox-hover').next('LI');
totalOptions = options.find('LI:not(.selectBox-optgroup)').length;
i = 0;
while( next.length === 0 || next.hasClass('selectBox-disabled') || next.hasClass('selectBox-optgroup') ) {
next = next.next('LI');
if( next.length === 0 ) {
if (settings.loopOptions) {
next = options.find('LI:first');
} else {
next = options.find('LI:last');
}
}
if( ++i >= totalOptions ) break;
}
addHover(select, next);
selectOption(select, next, event);
keepOptionInView(select, next);
} else {
showMenu(select);
}
break;
}
};
var handleKeyPress = function(select, event) {
//
// Handles type-to-find functionality
//
select = $(select);
var control = select.data('selectBox-control'),
options = control.data('selectBox-options');
if( control.hasClass('selectBox-disabled') ) return;
switch( event.keyCode ) {
case 9: // tab
case 27: // esc
case 13: // enter
case 38: // up
case 37: // left
case 40: // down
case 39: // right
// Don't interfere with the keydown event!
break;
default: // Type to find
if( !control.hasClass('selectBox-menuShowing') ) showMenu(select);
event.preventDefault();
clearTimeout(typeTimer);
typeSearch += String.fromCharCode(event.charCode || event.keyCode);
options.find('A').each( function() {
if( $(this).text().substr(0, typeSearch.length).toLowerCase() === typeSearch.toLowerCase() ) {
addHover(select, $(this).parent());
keepOptionInView(select, $(this).parent());
return false;
}
});
// Clear after a brief pause
typeTimer = setTimeout( function() { typeSearch = ''; }, 1000);
break;
}
};
var enable = function(select) {
select = $(select);
select.attr('disabled', false);
var control = select.data('selectBox-control');
if( !control ) return;
control.removeClass('selectBox-disabled');
};
var disable = function(select) {
select = $(select);
select.attr('disabled', true);
var control = select.data('selectBox-control');
if( !control ) return;
control.addClass('selectBox-disabled');
};
var setValue = function(select, value) {
select = $(select);
select.val(value);
value = select.val();
var control = select.data('selectBox-control');
if( !control ) return;
var settings = select.data('selectBox-settings'),
options = control.data('selectBox-options');
// Update label
setLabel(select);
// Update control values
options.find('.selectBox-selected').removeClass('selectBox-selected');
options.find('A').each( function() {
if( typeof(value) === 'object' ) {
for( var i = 0; i < value.length; i++ ) {
if( $(this).attr('rel') == value[i] ) {
$(this).parent().addClass('selectBox-selected');
}
}
} else {
if( $(this).attr('rel') == value ) {
$(this).parent().addClass('selectBox-selected');
}
}
});
if( settings.change ) settings.change.call(select);
};
var setOptions = function(select, options) {
select = $(select);
var control = select.data('selectBox-control'),
settings = select.data('selectBox-settings');
switch( typeof(data) ) {
case 'string':
select.html(data);
break;
case 'object':
select.html('');
for( var i in data ) {
if( data[i] === null ) continue;
if( typeof(data[i]) === 'object' ) {
var optgroup = $('<optgroup label="' + i + '" />');
for( var j in data[i] ) {
optgroup.append('<option value="' + j + '">' + data[i][j] + '</option>');
}
select.append(optgroup);
} else {
var option = $('<option value="' + i + '">' + data[i] + '</option>');
select.append(option);
}
}
break;
}
if( !control ) return;
// Remove old options
control.data('selectBox-options').remove();
// Generate new options
var type = control.hasClass('selectBox-dropdown') ? 'dropdown' : 'inline';
options = getOptions(select, type);
control.data('selectBox-options', options);
switch( type ) {
case 'inline':
control.append(options);
break;
case 'dropdown':
// Update label
setLabel(select);
$("BODY").append(options);
break;
}
};
var disableSelection = function(selector) {
$(selector)
.css('MozUserSelect', 'none')
.bind('selectstart', function(event) {
event.preventDefault();
});
};
var generateOptions = function(self, options){
var li = $('<li />'),
a = $('<a />');
li.addClass( self.attr('class') );
li.data( self.data() );
a.attr('rel', self.val()).text( self.text() );
li.append(a);
if( self.attr('disabled') ) li.addClass('selectBox-disabled');
if( self.attr('selected') ) li.addClass('selectBox-selected');
options.append(li);
};
//
// Public methods
//
switch( method ) {
case 'control':
return $(this).data('selectBox-control');
case 'settings':
if( !data ) return $(this).data('selectBox-settings');
$(this).each( function() {
$(this).data('selectBox-settings', $.extend(true, $(this).data('selectBox-settings'), data));
});
break;
case 'options':
// Getter
if( data === undefined ) return $(this).data('selectBox-control').data('selectBox-options');
// Setter
$(this).each( function() {
setOptions(this, data);
});
break;
case 'value':
// Empty string is a valid value
if( data === undefined ) return $(this).val();
$(this).each( function() {
setValue(this, data);
});
break;
case 'refresh':
$(this).each( function() {
refresh(this);
});
break;
case 'enable':
$(this).each( function() {
enable(this);
});
break;
case 'disable':
$(this).each( function() {
disable(this);
});
break;
case 'destroy':
$(this).each( function() {
destroy(this);
});
break;
default:
$(this).each( function() {
init(this, method);
});
break;
}
return $(this);
}
});
})(jQuery);