check if thumbnail-directory is writeable

[phpfspot.git] / phpfspot.js

diff --git a/phpfspot.js b/phpfspot.js
index 74ad4b9958fa02c5f702f1ddeba73b7e35b3ac4b..89eacbadfcda5c3672704a4262628fbe1e00c0c0 100644 (file)
--- a/phpfspot.js
+++ b/phpfspot.js
@@ -1,6 +1,9 @@
 function showImage(id, scrollup)
 {
-   content = document.getElementById("content");
+   if(!document.getElementById('content'))
+      return;
+
+   var content = document.getElementById('content');
 
    /* blank the screen */
    if(scrollup != undefined) {
@@ -13,6 +16,11 @@ function showImage(id, scrollup)
    if(scrollup != undefined) {
       window.scrollTo(0,0);
    }
+
+   /* delete some global vars */
+   delete(origHeight); origHeight = undefined;
+   delete(origWidth); origWidth = undefined;
+   delete(photo_details_pos); photo_details_pos = undefined;
 }
 
 function moveToThumb(thumb_id)
@@ -21,11 +29,24 @@ function moveToThumb(thumb_id)
       return;
 
    if(thumbimg = document.getElementById('thumbimg' + thumb_id)) {
-      window.scrollTo(0, thumbimg.offsetTop-100);
+      window.scrollTo(0, findPos(thumbimg,'top')-100);
    }
 
 } // moveToThumb()
 
+function findPos(obj, direction) {
+   var cur = 0;
+   if (obj.offsetParent) {
+      do {
+         if(direction == 'left')
+            cur += obj.offsetLeft;
+         if(direction == 'top')
+            cur += obj.offsetTop;
+      } while (obj = obj.offsetParent);
+   }
+   return [cur];
+}
+
 function showCredits()
 {
    var credits = document.getElementById("content");
@@ -59,7 +80,7 @@ function Tags(mode, id)
       refreshPhotoIndex();
    }
    else {
-      window.alert(retr);
+      window.alert("Server message: "+ retr);
    }
 
 } // Tags()
@@ -159,7 +180,7 @@ function startSearch()
       showPhotoIndex();
    }
    else {
-      window.alert(retr);
+      window.alert("Server message: "+ retr);
    }
 
 } // startSearch()
@@ -221,7 +242,7 @@ function init_phpfspot(mode)
    }
    if(whattodo == 'show_photo') {
       if(photo = getPhotoToShow()) {
-         showImage(photo)
+         showImage(photo);
          refreshSelectedTags();
       }
    }
@@ -249,6 +270,70 @@ function getPhotoToShow()
    return photo_to_show;
 }
 
+function zoom(mod)
+{
+   var photo;
+
+   if(mod == undefined)
+      return;
+
+   /* internet explorer */
+   if(document.images['photo'].width)
+      photo = document.images['photo'];
+
+   /* all others */
+   if(photo == undefined && document.getElementById('photo').width)
+      photo = document.getElementById('photo');
+
+   if(photo != undefined) {
+
+      if(origWidth == undefined)
+         origWidth = photo.width;
+      if(origHeight == undefined)
+         origHeight = photo.height;
+
+      if(mod != 0) {
+         new_w = photo.width * (1 + mod/100);
+         new_h = photo.height * (1 + mod/100);
+         photo.width = new_w;
+         photo.height = new_h;
+
+         if(photo_details_pos == undefined) {
+            photo_details_pos = findPos(document.getElementById('photo_details'),'left');
+         }
+
+         if((photo.offsetLeft + new_w) >= photo_details_pos-20) {
+            hidePhotoDetails('true');
+         }
+         else {
+            hidePhotoDetails('false');
+         }
+      }
+      else {
+         photo.width = origWidth;
+         photo.height = origHeight;
+         hidePhotoDetails('false');
+      }
+   }
+
+} // zoom()
+
+function hidePhotoDetails(mode)
+{
+   var photo_details;
+
+   if(photo_details = document.getElementById('photo_details')) {
+      if(mode == 'true') {
+         photo_details.style.visibility = 'hidden';
+         photo_details.style.display = 'none';
+      }
+      else {
+         photo_details.style.visibility = 'visible';
+         photo_details.style.display = '';
+      }
+   }
+} // hidePhotoDetails()
+
 function showCalendar(date_box, click_obj)
 {
    var calendar = document.getElementById('calendar');
@@ -376,13 +461,13 @@ function startSlideShow()
 
 function nextSlide()
 {
-   next_img = HTML_AJAX.grab(encodeURI('rpc.php?action=get_next_slideshow_img'));
+   var next_img = HTML_AJAX.grab(encodeURI('rpc.php?action=get_next_slideshow_img'));
    document.getElementById('slide_img').src = next_img;
 }
 
 function prevSlide()
 {
-   prev_img = HTML_AJAX.grab(encodeURI('rpc.php?action=get_prev_slideshow_img'));
+   var prev_img = HTML_AJAX.grab(encodeURI('rpc.php?action=get_prev_slideshow_img'));
    document.getElementById('slide_img').src = prev_img;
 }
 
@@ -412,7 +497,8 @@ function startAutoBrowse()
       document.getElementById('autobrowse_ico').src = "resources/32_play.png";
    }
 
-}
+} // startAutoBrowser()
+
 function autoBrowse()
 {
    if(document.getElementById('next_link')) {
@@ -420,7 +506,14 @@ function autoBrowse()
       window.location.href = next_link;
       document.getElementById('autobrowse_ico').src = "resources/32_pause.png";
    }
-}  
+   /* we have reached the last photo */
+   else {
+      if(ab_ico = document.getElementById('autobrowse_ico'))
+         ab_ico.src = "resources/32_play.png";
+      clearInterval(autobrowse);
+   }
+
+} // autoBrowse()
 
 function initSlider()
 {
@@ -456,7 +549,7 @@ function update_sort_order(obj)
       showPhotoIndex();
    }
    else {
-      window.alert(retr);
+      window.alert("Server message: "+ retr);
    }
 
 } // update_sort_order()
@@ -509,3 +602,6 @@ var autobrowse = 0;
 var sliding = 0;
 var sliding_paused = 0;
 var sliding_time = 3;
+var origHeight;
+var origWidth;
+var photo_details_pos;