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76 lines
2.7 KiB
JavaScript
76 lines
2.7 KiB
JavaScript
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(function($){
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$.table_hotkeys = function(table, keys, opts) {
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opts = $.extend($.table_hotkeys.defaults, opts);
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var selected_class = opts.class_prefix + opts.selected_suffix;
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var destructive_class = opts.class_prefix + opts.destructive_suffix;
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var set_current_row = function (tr) {
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if ($.table_hotkeys.current_row) $.table_hotkeys.current_row.removeClass(selected_class);
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tr.addClass(selected_class);
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tr[0].scrollIntoView(false);
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$.table_hotkeys.current_row = tr;
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};
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var next_row = function() {
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var next = get_adjacent_row('next');
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if (!next) return false;
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set_current_row($(next));
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return true;
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};
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var prev_row = function() {
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var prev = get_adjacent_row('prev');
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if (!prev) return false;
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set_current_row($(prev));
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return true;
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};
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var check = function() {
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$(opts.checkbox_expr, $.table_hotkeys.current_row).each(function() {
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this.checked = !this.checked;
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});
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};
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var get_adjacent_row = function(which) {
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if (!$.table_hotkeys.current_row) {
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var start_row_dom = $(opts.cycle_expr, table)[opts.start_row_index];
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$.table_hotkeys.current_row = $(start_row_dom);
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return start_row_dom;
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}
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var method = 'prev' == which? $.fn.prevAll : $.fn.nextAll;
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return method.call($.table_hotkeys.current_row, opts.cycle_expr).filter(':visible')[0];
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}
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var make_key_callback = function(expr) {
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return function() {
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var clickable = $(expr, $.table_hotkeys.current_row).filter(':visible');
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if (!$($(clickable[0]).parent()[0]).is(':visible')) return false;
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if (clickable.is('.'+destructive_class)) next_row() || prev_row();
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clickable.click();
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}
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};
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var make_key_expr = function(elem) {
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if (typeof elem.key == 'string') {
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key = elem.key;
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if (typeof elem.expr == 'string')
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expr = elem.expr;
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else if (typeof elem.suffix == 'string')
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expr = '.'+opts.class_prefix+elem.suffix;
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else
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expr = '.'+opts.class_prefix+elem.key;
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} else {
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key = elem;
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expr = '.'+opts.class_prefix+elem;
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}
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return {key: key, expr: expr};
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};
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if (!$(opts.cycle_expr, table).length) return;
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jQuery.hotkeys.add(opts.next_key, opts.hotkeys_opts, next_row);
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jQuery.hotkeys.add(opts.prev_key, opts.hotkeys_opts, prev_row);
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jQuery.hotkeys.add(opts.mark_key, opts.hotkeys_opts, check);
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jQuery.each(keys, function() {
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var key_expr = make_key_expr(this);
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jQuery.hotkeys.add(key_expr.key, opts.hotkeys_opts, make_key_callback(key_expr.expr));
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});
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};
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$.table_hotkeys.current_row = null;
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$.table_hotkeys.defaults = {cycle_expr: 'tr', class_prefix: 'vim-', selected_suffix: 'current',
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destructive_suffix: 'destructive', hotkeys_opts: {disableInInput: true, type: 'keypress'},
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checkbox_expr: ':checkbox', next_key: 'j', prev_key: 'k', mark_key: 'x',
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start_row_index: 1};
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})(jQuery);
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