100 lines
3.7 KiB
JavaScript
100 lines
3.7 KiB
JavaScript
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(function($){
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$.fn.filter_visible = function(depth) {
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depth = depth || 3;
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var is_visible = function() {
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var p = $(this), i;
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for(i=0; i<depth-1; ++i) {
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if (!p.is(':visible')) return false;
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p = p.parent();
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}
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return true;
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};
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return this.filter(is_visible);
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};
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$.table_hotkeys = function(table, keys, opts) {
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opts = $.extend($.table_hotkeys.defaults, opts);
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var selected_class, destructive_class, set_current_row, adjacent_row_callback, get_adjacent_row, adjacent_row, prev_row, next_row, check, get_first_row, get_last_row, make_key_callback, first_row;
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selected_class = opts.class_prefix + opts.selected_suffix;
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destructive_class = opts.class_prefix + opts.destructive_suffix;
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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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adjacent_row_callback = function(which) {
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if (!adjacent_row(which) && typeof opts[which+'_page_link_cb'] === 'function' ) {
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opts[which+'_page_link_cb']();
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}
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};
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get_adjacent_row = function(which) {
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var first_row, method;
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if (!$.table_hotkeys.current_row) {
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first_row = get_first_row();
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$.table_hotkeys.current_row = first_row;
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return first_row[0];
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}
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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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adjacent_row = function(which) {
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var adj = get_adjacent_row(which);
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if (!adj) return false;
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set_current_row($(adj));
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return true;
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};
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prev_row = function() { return adjacent_row('prev'); };
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next_row = function() { return adjacent_row('next'); };
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check = function() {
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$(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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get_first_row = function() {
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return $(opts.cycle_expr, table).filter_visible().eq(opts.start_row_index);
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};
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get_last_row = function() {
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var rows = $(opts.cycle_expr, table).filter_visible();
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return rows.eq(rows.length-1);
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};
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make_key_callback = function(expr) {
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return function() {
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if ( null == $.table_hotkeys.current_row ) return false;
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var clickable = $(expr, $.table_hotkeys.current_row);
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if (!clickable.length) return false;
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if (clickable.is('.'+destructive_class)) next_row() || prev_row();
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clickable.trigger( 'click' );
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};
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};
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first_row = get_first_row();
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if (!first_row.length) return;
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if (opts.highlight_first)
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set_current_row(first_row);
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else if (opts.highlight_last)
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set_current_row(get_last_row());
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$.hotkeys.add(opts.prev_key, opts.hotkeys_opts, function() {return adjacent_row_callback('prev');});
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$.hotkeys.add(opts.next_key, opts.hotkeys_opts, function() {return adjacent_row_callback('next');});
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$.hotkeys.add(opts.mark_key, opts.hotkeys_opts, check);
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$.each(keys, function() {
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var callback, key;
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if ( typeof this[1] === 'function' ) {
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callback = this[1];
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key = this[0];
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$.hotkeys.add(key, opts.hotkeys_opts, function(event) { return callback(event, $.table_hotkeys.current_row); });
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} else {
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key = this;
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$.hotkeys.add(key, opts.hotkeys_opts, make_key_callback('.'+opts.class_prefix+key));
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}
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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: 2, highlight_first: false, highlight_last: false, next_page_link_cb: false, prev_page_link_cb: false};
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})(jQuery);
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