From d3a774b2bd79654360a3ef12618102abf85a2ce3 Mon Sep 17 00:00:00 2001
From: Bernhard Posselt <dev@bernhard-posselt.com>
Date: Wed, 21 May 2014 14:09:04 +0200
Subject: finish migrating keyboard shortcuts

---
 js/gui/keyboardshortcuts.js | 168 +++++++++++++++++++++++++++++++++++---------
 1 file changed, 133 insertions(+), 35 deletions(-)

(limited to 'js/gui')

diff --git a/js/gui/keyboardshortcuts.js b/js/gui/keyboardshortcuts.js
index 3062e6dac..ba777dc16 100644
--- a/js/gui/keyboardshortcuts.js
+++ b/js/gui/keyboardshortcuts.js
@@ -13,42 +13,140 @@
  * being put into a directive since it has to be tested with protractor
  * anyways and theres no benefit from wiring it into the angular app
  */
-(function (document, $) {
+(function (window, document, $) {
     'use strict';
 
+    var noInputFocused,
+        noModifierKey,
+        scrollArea,
+        scrollToItem,
+        scrollToNextItem,
+        scrollToPreviousItem,
+        toggleStar,
+        toggleUnread,
+        expandItem,
+        openLink,
+        getActiveItem;
+
+    scrollArea = $('#app-content');
+
+    noInputFocused = function (element) {
+        return !(
+            element.is('input')
+            && element.is('select')
+            && element.is('textarea')
+            && element.is('checkbox')
+        );
+    };
+
+    noModifierKey = function (event) {
+        return !(
+            event.shiftKey
+            || event.altKey
+            || event.ctrlKey
+            || event.metaKey
+        );
+    };
+
+    scrollToItem = function (item, scrollArea) {
+        scrollArea.scrollTop(
+            item.offset().top - scrollArea.offset().top + scrollArea.scrollTop()
+        );
+    };
+
+    scrollToNextItem = function (scrollArea) {
+        var items,
+            counter,
+            item;
+
+        items = scrollArea.find('.feed_item');
+
+        for (counter = 0; counter < items.length; counter += 1) {
+            item = $(items[counter]);
+
+            if (item.position().top > 1) {
+                scrollToItem(scrollArea, item);
+                return;
+            }
+        }
+
+        // in case this is the last item it should still scroll below the top
+        scrollArea.scrollTop(scrollArea.prop('scrollHeight'));
+
+    };
+
+    scrollToPreviousItem = function (scrollArea) {
+        var items,
+            item,
+            counter,
+            previous;
+
+        items = scrollArea.find('.feed_item');
+
+        for (counter = 0; counter < items.length; counter += 1) {
+            item = $(items[counter]);
+
+            if (item.position().top >= 0) {
+                previous = item.prev();
+
+                // if there are no items before the current one
+                if (previous.length > 0) {
+                    scrollToItem(scrollArea, previous);
+                }
+
+                return;
+            }
+        }
+
+        // if there was no jump jump to the last element
+        if (items.length > 0) {
+            scrollToItem(scrollArea, items.last());
+        }
+    };
+
+    getActiveItem = function (scrollArea) {
+        var items,
+            item,
+            counter;
+
+        items = scrollArea.find('.feed_item');
+
+        for (counter = 0; counter < items.length; counter += 1) {
+            item = $(items[counter]);
+
+            // 130px of the item should be visible
+            if ((item.height() + item.position().top) > 30) {
+                return item;
+            }
+        }
+    };
+
+    toggleUnread = function (scrollArea) {
+        var item = getActiveItem(scrollArea);
+        item.find('.keep_unread').trigger('click');
+    };
+
+    toggleStar = function (scrollArea) {
+        var item = getActiveItem(scrollArea);
+        item.find('.item_utils .star').trigger('click');
+    };
+
+    expandItem = function (scrollArea) {
+        var item = getActiveItem(scrollArea);
+        item.find('.item_heading a').trigger('click');
+    };
+
+    openLink = function (scrollArea) {
+        var item = getActiveItem(scrollArea).find('.item_title a');
+        item.trigger('click');  // mark read
+        window.open(item.attr('href'), '_blank');
+    };
+
     $(document).keyup(function (event) {
-        var keyCode,
-            noInputFocused,
-            noModifierKey,
-            scrollArea,
-            jumpToNextItem,
-            jumpToPreviousItem,
-            toggleStar,
-            toggleUnread,
-            expandItem,
-            openLink,
-            getActiveItem;
+        var keyCode;
 
         keyCode = event.keyCode;
-        scrollArea = $('#app-content');
-
-        noInputFocused = function (element) {
-            return !(
-                element.is('input')
-                && element.is('select')
-                && element.is('textarea')
-                && element.is('checkbox')
-            );
-        };
-
-        noModifierKey = function (event) {
-            return !(
-                event.shiftKey
-                || event.altKey
-                || event.ctrlKey
-                || event.metaKey
-            );
-        };
+
 
         if (noInputFocused($(':focus')) && noModifierKey(event)) {
 
@@ -56,13 +154,13 @@
             if ([74, 78, 34].indexOf(keyCode) >= 0) {
 
                 event.preventDefault();
-                jumpToNextItem(scrollArea);
+                scrollToNextItem(scrollArea);
 
             // k, p, left arrow
             } else if ([75, 80, 37].indexOf(keyCode) >= 0) {
 
                 event.preventDefault();
-                jumpToPreviousItem(scrollArea);
+                scrollToPreviousItem(scrollArea);
 
             // u
             } else if ([85].indexOf(keyCode) >= 0) {
@@ -87,7 +185,7 @@
 
                 event.preventDefault();
                 toggleStar(scrollArea);
-                jumpToNextItem(scrollArea);
+                scrollToNextItem(scrollArea);
 
             // o
             } else if ([79].indexOf(keyCode) >= 0) {
@@ -100,4 +198,4 @@
         }
     });
 
-}(document, jQuery));
\ No newline at end of file
+}(window, document, jQuery));
\ No newline at end of file
-- 
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