79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
'use strict';
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/*@
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Ox.Focus <o> Basic focus handler
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@*/
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Ox.Focus = (function() {
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var stack = [];
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return {
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_print: function() {
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Ox.Log('Core', stack);
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},
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_reset: function() {
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$('.OxFocus').removeClass('OxFocus');
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stack = [];
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},
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/*@
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blur <f> blur element
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(id) -> <u> blur element by id
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@*/
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blur: function(id) {
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Ox.GarbageCollection();
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var index = stack.indexOf(id);
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if (index > -1 && index == stack.length - 1) {
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stack.length == 1
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// empty stack
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? stack.pop()
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// swap the two last stack items
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: stack.splice(stack.length - 2, 0, stack.pop());
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Ox.UI.elements[id]
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.removeClass('OxFocus')
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.triggerEvent('losefocus');
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if (stack.length) {
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Ox.UI.elements[stack[stack.length - 1]]
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.addClass('OxFocus')
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.triggerEvent('gainfocus')
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}
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Ox.Log('Core', 'blur', id, stack);
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}
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},
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/*@
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focus <f> focus element
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(id) -> <u> focus element by id
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@*/
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focus: function(id) {
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Ox.GarbageCollection();
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var index = stack.indexOf(id);
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if (index == -1 || index < stack.length - 1) {
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// move the item to the end of the stack
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index > -1 && stack.splice(index, 1);
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stack.push(id);
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if (stack.length > 1) {
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Ox.UI.elements[stack[stack.length - 2]]
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.removeClass('OxFocus')
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.triggerEvent('losefocus');
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}
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Ox.UI.elements[id]
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.addClass('OxFocus')
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.triggerEvent('gainfocus');
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Ox.Log('Core', 'focus', id, stack);
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}
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},
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/*@
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focused <f> return id of focused element, or null
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() -> <s> get id of currently focused element
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@*/
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focused: function() {
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return stack.length ? stack[stack.length - 1] : null;
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},
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/*@
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remove <f> remove
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(id) -> <u>
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@*/
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remove: function(id) {
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var index = stack.indexOf(id);
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index > -1 && stack.splice(index, 1);
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}
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};
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}());
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