1 files changed, 191 insertions, 0 deletions
diff --git a/wiki/lib/scripts/qsearch.js b/wiki/lib/scripts/qsearch.js
new file mode 100644
index 0000000..18e5150
--- /dev/null
+++ b/wiki/lib/scripts/qsearch.js
@@ -0,0 +1,191 @@
+/**
+ * AJAX functions for the pagename quicksearch
+ *
+ * @license  GPL2 (http://www.gnu.org/licenses/gpl.html)
+ * @author   Andreas Gohr <andi@splitbrain.org>
+ * @author   Adrian Lang <lang@cosmocode.de>
+ * @author   Michal Rezler <m.rezler@centrum.cz>
+ */
+jQuery.fn.dw_qsearch = function (overrides) {
+
+    var dw_qsearch = {
+
+        output: '#qsearch__out',
+
+        $inObj: this,
+        $outObj: null,
+        timer: null,
+        curRequest: null,
+
+        /**
+         * initialize the quick search
+         *
+         * Attaches the event handlers
+         *
+         */
+        init: function () {
+            var do_qsearch;
+
+            dw_qsearch.$outObj = jQuery(dw_qsearch.output);
+
+            // objects found?
+            if (dw_qsearch.$inObj.length === 0 ||
+                dw_qsearch.$outObj.length === 0) {
+                return;
+            }
+
+            // attach eventhandler to search field
+            do_qsearch = function () {
+                // abort any previous request
+                if (dw_qsearch.curRequest != null) {
+                    dw_qsearch.curRequest.abort();
+                }
+                var value = dw_qsearch.getSearchterm();
+                if (value === '') {
+                    dw_qsearch.clear_results();
+                    return;
+                }
+                dw_qsearch.$inObj.parents('form').addClass('searching');
+                dw_qsearch.curRequest = jQuery.post(
+                    DOKU_BASE + 'lib/exe/ajax.php',
+                    {
+                        call: 'qsearch',
+                        q: encodeURI(value)
+                    },
+                    dw_qsearch.onCompletion,
+                    'html'
+                );
+            };
+
+            dw_qsearch.$inObj.keyup(
+                function () {
+                    if (dw_qsearch.timer) {
+                        window.clearTimeout(dw_qsearch.timer);
+                        dw_qsearch.timer = null;
+                    }
+                    dw_qsearch.timer = window.setTimeout(do_qsearch, 500);
+                }
+            );
+
+            // attach eventhandler to output field
+            dw_qsearch.$outObj.click(dw_qsearch.clear_results);
+        },
+
+        /**
+         * Read search term from input
+         */
+        getSearchterm: function() {
+            return dw_qsearch.$inObj.val();
+        },
+
+        /**
+         * Empty and hide the output div
+         */
+        clear_results: function () {
+            dw_qsearch.$inObj.parents('form').removeClass('searching');
+            dw_qsearch.$outObj.hide();
+            dw_qsearch.$outObj.text('');
+        },
+
+        /**
+         * Callback. Reformat and display the results.
+         *
+         * Namespaces are shortened here to keep the results from overflowing
+         * or wrapping
+         *
+         * @param data The result HTML
+         */
+        onCompletion: function (data) {
+            var max, $links, too_big;
+            dw_qsearch.$inObj.parents('form').removeClass('searching');
+
+            dw_qsearch.curRequest = null;
+
+            if (data === '') {
+                dw_qsearch.clear_results();
+                return;
+            }
+
+            dw_qsearch.$outObj
+                .html(data)
+                .show()
+                .css('white-space', 'nowrap');
+
+            // disable overflow during shortening
+            dw_qsearch.$outObj.find('li').css('overflow', 'visible');
+
+            $links = dw_qsearch.$outObj.find('a');
+            max = dw_qsearch.$outObj[0].clientWidth; // maximum width allowed (but take away paddings below)
+            if (document.documentElement.dir === 'rtl') {
+                max -= parseInt(dw_qsearch.$outObj.css('padding-left'));
+                too_big = function (l) {
+                    return l.offsetLeft < 0;
+                };
+            } else {
+                max -= parseInt(dw_qsearch.$outObj.css('padding-right'));
+                too_big = function (l) {
+                    return l.offsetWidth + l.offsetLeft > max;
+                };
+            }
+
+            $links.each(function () {
+                var start, length, replace, nsL, nsR, eli, runaway;
+
+                if (!too_big(this)) {
+                    return;
+                }
+
+                nsL = this.textContent.indexOf('(');
+                nsR = this.textContent.indexOf(')');
+                eli = 0;
+                runaway = 0;
+
+                while ((nsR - nsL > 3) && too_big(this) && runaway++ < 500) {
+                    if (eli !== 0) {
+                        // elipsis already inserted
+                        if ((eli - nsL) > (nsR - eli)) {
+                            // cut left
+                            start = eli - 2;
+                            length = 2;
+                        } else {
+                            // cut right
+                            start = eli + 1;
+                            length = 1;
+                        }
+                        replace = '';
+                    } else {
+                        // replace middle with ellipsis
+                        start = Math.floor(nsL + ((nsR - nsL) / 2));
+                        length = 1;
+                        replace = '…';
+                    }
+                    this.textContent = substr_replace(this.textContent,
+                        replace, start, length);
+
+                    eli = this.textContent.indexOf('…');
+                    nsL = this.textContent.indexOf('(');
+                    nsR = this.textContent.indexOf(')');
+                }
+            });
+
+            // reenable overflow
+            dw_qsearch.$outObj.find('li').css('overflow', 'hidden').css('text-overflow', 'ellipsis');
+        }
+
+
+    };
+
+    jQuery.extend(dw_qsearch, overrides);
+
+    if (!overrides.deferInit) {
+        dw_qsearch.init();
+    }
+
+    return dw_qsearch;
+};
+
+jQuery(function () {
+    jQuery('#qsearch__in').dw_qsearch({
+        output: '#qsearch__out'
+    });
+});