explain why alert-boxes appear
[phpfspot.git] / phpfspot.js
index 6bc0d2c96be4857ad1c8859a6286c832f640a1fb..a2c848e5715bf5faf254eb39ceeab348d869c39c 100644 (file)
@@ -1,7 +1,47 @@
-function showImage(id)
+function showImage(id, scrollup)
 {
-   var image_div = document.getElementById("content");
-   image_div.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=showphoto&id=' + id));
+   if(!document.getElementById('content'))
+      return;
+
+   var content = document.getElementById('content');
+
+   /* blank the screen */
+   if(scrollup != undefined) {
+      content.innerHTML = "";
+   }
+
+   HTML_AJAX.replace(content, encodeURI('rpc.php?action=showphoto&id=' + id));
+
+   /* scroll the window up to the top */
+   if(scrollup != undefined) {
+      window.scrollTo(0,0);
+   }
+
+   /* delete some global vars */
+   delete(origHeight);
+   delete(origWidth);
+   delete(photo_details_pos);
+}
+
+function moveToThumb(thumb_id)
+{
+   if(thumb_id == undefined)
+      return;
+
+   if(thumbimg = document.getElementById('thumbimg' + thumb_id)) {
+      window.scrollTo(0, findPos(thumbimg)-100);
+   }
+
+} // moveToThumb()
+
+function findPos(obj) {
+   var curtop = 0;
+   if (obj.offsetParent) {
+      do {
+         curtop += obj.offsetTop;
+      } while (obj = obj.offsetParent);
+   }
+   return [curtop];
 }
 
 function showCredits()
@@ -12,24 +52,35 @@ function showCredits()
 
 function Tags(mode, id)
 {
+   var objTemp = new Object();
+
    if(mode == "add") {
-      // add the tag to users session
-      HTML_AJAX.grab(encodeURI('rpc.php?action=addtag&id=' + id));
+      // add tag to users session
+      objTemp['action'] = 'addtag';
+      objTemp['id'] = id;
    }
    else if(mode == "del") {
-      // del the tag from users session
-      HTML_AJAX.grab(encodeURI('rpc.php?action=deltag&id=' + id));
+      // del tag from users session
+      objTemp['action'] = 'deltag';
+      objTemp['id'] = id;
    }
    else if(mode == "condition") {
       setCheckedValue(id, id.value);
-      HTML_AJAX.grab(encodeURI('rpc.php?action=tagcondition&mode=' + id.value));
+      objTemp['action'] = 'tagcondition';
+      objTemp['mode'] = id.value;
    }
 
-   refreshAvailableTags();
-   refreshSelectedTags();
-   refreshPhotoIndex();
+   var retr = HTML_AJAX.post('rpc.php', objTemp);
+   if(retr == "ok") {
+      refreshAvailableTags();
+      refreshSelectedTags();
+      refreshPhotoIndex();
+   }
+   else {
+      window.alert("Server message: "+ retr);
+   }
 
-}
+} // Tags()
 
 function refreshAvailableTags()
 {
@@ -47,18 +98,22 @@ function refreshSelectedTags()
    selected_tags.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=show_selected_tags'));
 }
 
-function showPhotoIndex(begin_with)
+function showPhotoIndex(begin_with, last_photo)
 {
-   if(begin_with == undefined)
-      HTML_AJAX.replace(document.getElementById("content"), encodeURI('rpc.php?action=show_photo_index'));
-   else
-      HTML_AJAX.replace(document.getElementById("content"), encodeURI('rpc.php?action=show_photo_index&begin_with=' + begin_with));
-}
+   var url = "rpc.php?action=show_photo_index";
+   if(begin_with != undefined)
+      url = url + '&begin_with=' + begin_with;
+   if(last_photo != undefined)
+      url = url + '&last_photo=' + last_photo;
+
+   HTML_AJAX.replace(document.getElementById("content"), encodeURI(url));
+
+} // showPhotoIndex()
 
 // if photo index is currently shown, refresh it
 function refreshPhotoIndex()
 {
-   if(document.getElementById("matrix") != undefined || startup == 1) {
+   if(document.getElementById("index") != undefined || startup == 1) {
       showPhotoIndex();
       startup = 0;
    }
@@ -92,8 +147,6 @@ function setCheckedValue(condition, value) {
 
 function startSearch()
 {
-   var searchfor = document.getElementsByName('searchfor')[0].value
-
    from_year = document.getElementById('fromyear').value;
    from_month = document.getElementById('frommonth').value;
    from_day = document.getElementById('fromday').value;
@@ -103,26 +156,31 @@ function startSearch()
    to_day = document.getElementById('today').value;
    to = to_year +"-"+ to_month +"-"+ to_day;
 
-   var request = 'rpc.php?action=search';
+   var objTemp = new Object();
+   objTemp['action'] = 'search';
 
-   if(searchfor != "") {
-      request = request + '&for=' + searchfor;
+   if(document.getElementsByName('searchfor_tag')[0].value != "") {
+      objTemp['for_tag'] = document.getElementsByName('searchfor_tag')[0].value;
+   }
+   if(document.getElementsByName('searchfor_name')[0].value != "") {
+      objTemp['for_name'] = document.getElementsByName('searchfor_name')[0].value;
    }
-   
    if(document.getElementsByName('consider_date')[0].checked == true) {
-      request = request + '&from='+ from +'&to='+ to;
+      objTemp['from'] = from;
+      objTemp['to'] = to;
    }
 
-   var sort_order = document.getElementsByName('sort_order')[0];
-   request = request + '&sort_order='+ sort_order.options[sort_order.selectedIndex].value;
-
-   HTML_AJAX.grab(encodeURI(request));
+   var retr = HTML_AJAX.post('rpc.php', objTemp);
+   if(retr == "ok") {
+      refreshAvailableTags();
+      refreshSelectedTags();
+      showPhotoIndex();
+   }
+   else {
+      window.alert("Server message: "+ retr);
+   }
 
-   refreshAvailableTags();
-   refreshSelectedTags();
-   showPhotoIndex();
-   
-}
+} // startSearch()
 
 function datesearch()
 {
@@ -150,7 +208,13 @@ function setViewMode(mode)
 
 function clearSearch()
 {
-   document.getElementsByName('searchfor')[0].value = '';
+   document.getElementsByName('searchfor_tag')[0].value = '';
+   document.getElementsByName('searchfor_name')[0].value = '';
+
+   if(document.getElementsByName('consider_date')[0].checked == true) {
+      document.getElementsByName('consider_date')[0].checked = false;
+      datesearch();
+   }  
 }
 
 function AskServerWhatToDo()
@@ -158,10 +222,12 @@ function AskServerWhatToDo()
    return HTML_AJAX.grab(encodeURI('rpc.php?action=what_to_do'));
 }
 
-function init_phpfspot()
+function init_phpfspot(mode)
 {
+   /* always load list of available tags */
    refreshAvailableTags();
 
+   /* ask the server what we are currently displaying */
    whattodo = AskServerWhatToDo();
 
    if(whattodo == 'showpi' || whattodo == 'showpi_date') {
@@ -173,11 +239,11 @@ function init_phpfspot()
    }
    if(whattodo == 'show_photo') {
       if(photo = getPhotoToShow()) {
-         showImage(photo)
+         showImage(photo);
          refreshSelectedTags();
       }
    }
-}
+} // init_phpfspot()
 
 function setBackGrdColor(item, color)
 {
@@ -201,9 +267,63 @@ function getPhotoToShow()
    return photo_to_show;
 }
 
+function zoom(mod)
+{
+   if(mod == undefined)
+      return;
+
+   if(photo = document.getElementById('photo')) {
+
+      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 = document.getElementById('photo_details').offsetLeft;
+         }
+
+         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)
+{
+   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 = 'inline';
+      }
+   }
+} // hidePhotoDetails()
+
 function showCalendar(date_box, click_obj)
 {
    var calendar = document.getElementById('calendar');
+   var year = document.getElementById(date_box+'year').value;
+   var month = document.getElementById(date_box+'month').value;
    if(date_box == 'from') {
       var xpos = document.getElementById('frompic').offsetLeft;
       var ypos = document.getElementById('frompic').offsetTop;
@@ -214,16 +334,24 @@ function showCalendar(date_box, click_obj)
       var ypos = document.getElementById('topic').offsetTop;
       calendar_mode = 'to';
    }
-   calendar.style.left = xpos + 60 + 'px';
+   calendar.style.left = xpos + 100 + 'px';
    calendar.style.top = ypos + 80 + 'px';
 
    if(calendar.style.visibility == "" || calendar.style.visibility == 'hidden') {
       calendar.style.visibility = 'visible';
       calendar.innerHTML = "Loading...";
-      calendar.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=get_calendar_matrix'));
+      calendar.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=get_calendar_matrix&year=' + year + '&month=' + month));
       calendar_shown = 1;
    }
    else {
+      hideCalendar();
+   }
+}
+
+function hideCalendar()
+{
+   var calendar = document.getElementById('calendar');
+   if(calendar.style.visibility != 'hidden') {
       calendar.style.visibility = 'hidden';
       calendar_shown = 0;
    }
@@ -241,6 +369,7 @@ function setCalendarDate(year, month, day)
    document.getElementById(calendar_mode+'year').value = year;
    document.getElementById(calendar_mode+'month').value = month;
    document.getElementById(calendar_mode+'day').value = day;
+   hideCalendar();
 }
 
 function resetAll()
@@ -302,17 +431,45 @@ function preloadPhotos(lbImg) {
 
 function startSlideShow()
 {
-   HTML_AJAX.grab(encodeURI('rpc.php?action=reset_slideshow'));
-   nextSlide();
-   setInterval("nextSlide()", 3000);
+   if(!sliding) {
+      HTML_AJAX.grab(encodeURI('rpc.php?action=reset_slideshow'));
+      nextSlide();
+      sliding = setInterval("nextSlide()", sliding_time*1000);
+      document.getElementById('stop_ico').src = "resources/32_stop.png";
+   }
+   else {
+      clearInterval(sliding);
+      sliding = 0;
+      document.getElementById('stop_ico').src = "resources/32_play.png";
+   }
 }
 
 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()
+{
+   var prev_img = HTML_AJAX.grab(encodeURI('rpc.php?action=get_prev_slideshow_img'));
+   document.getElementById('slide_img').src = prev_img;
+}
+
+function pauseSlideShow()
+{
+   if(!sliding_paused) {
+      sliding_paused = 1;
+      clearInterval(sliding);
+      document.getElementById('pause_ico').src = "resources/32_play.png";
+   }
+   else {
+      sliding_paused = 0;
+      sliding = setInterval("nextSlide()", sliding_time*1000);
+      document.getElementById('pause_ico').src = "resources/32_pause.png";
+   }
+} 
+
 function startAutoBrowse()
 {
    if(!autobrowse) {
@@ -325,7 +482,8 @@ function startAutoBrowse()
       document.getElementById('autobrowse_ico').src = "resources/32_play.png";
    }
 
-}
+} // startAutoBrowser()
+
 function autoBrowse()
 {
    if(document.getElementById('next_link')) {
@@ -333,9 +491,102 @@ 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()
+{
+   var sliderEl = document.getElementById ? document.getElementById("slider-1") : null;
+   var inputEl = document.forms[0]["slider-input-1"];
+   var s = new Slider(sliderEl, inputEl);
+   s.setMinimum(1);
+   s.setMaximum(10);
+   s.setValue(sliding_time);
+   document.getElementById("current_slide_time").innerHTML = sliding_time + "s Interval";
+   s.onchange = function () {
+      sliding_time = s.getValue();
+      document.getElementById("current_slide_time").innerHTML = sliding_time + "s Interval";
+      if(!sliding_paused && sliding) {
+         clearInterval(sliding);
+         sliding = setInterval("nextSlide()", sliding_time*1000);
+      }
+   };
+   window.onresize = function () {
+      s.recalculate();
+   };
+
+}
+
+function update_sort_order(obj)
+{  
+   var objTemp = new Object();
+   objTemp['value'] = obj.options[obj.selectedIndex].value;
+
+   var retr = HTML_AJAX.post('rpc.php?action=update_sort_order', objTemp);
+
+   if(retr == "ok") {
+      showPhotoIndex();
+   }
+   else {
+      window.alert("Server message: "+ retr);
+   }
+
+} // update_sort_order()
+
+
+function keyDown(e) {
+   var evt = (e) ? e:(window.event) ? window.event:null;
+
+   if(evt) {
+      var key = (evt.charCode) ? evt.charCode :
+         ((evt.keyCode) ? evt.keyCode : ((evt.which) ? evt.which : 0));
+
+
+      if(key == 37) /* left curosr */ {
+         if(document.getElementById('prev_link')) {
+            var prev_link = document.getElementById('prev_link').href;
+            window.location.href = prev_link;
+         }
+         return;
+      }
+      if(key == 38) /* up cursor */ {
+      }
+      if(key == 39) /* right curosr */ {
+         if(document.getElementById('next_link')) {
+            var next_link = document.getElementById('next_link').href;
+            window.location.href = next_link;
+         }
+         return;
+      }
+      if(key == 73 && evt.altKey && evt.ctrlKey) /* ctrl+alt+i */ {
+         showPhotoIndex();
+         return;
+      }
+      if(key == 82 && evt.altKey && evt.ctrlKey) /* ctrl+alt+r */ {
+         resetAll();
+         return;
+      }
+   }
+}
+
+document.onkeydown=keyDown;
+if(document.layers) {
+   document.captureEvents(Event.KEYDOWN);
+}
 
 var startup = 1;
 var calendar_shown = 0;
 var calendar_mode = '';
 var autobrowse = 0;
+var sliding = 0;
+var sliding_paused = 0;
+var sliding_time = 3;
+var origHeight;
+var origWidth;
+var photo_details_pos;