Changeset 39

Timestamp:

10/03/07 02:13:27 (6 years ago)

Author:

d0nut

Message:

min/max limits for tagging sizes

Files:

• taggingreloaded/files/js/TaggingReloaded.class.js (modified) (5 diffs)

taggingreloaded/files/js/TaggingReloaded.class.js

@@ -16 +16 @@
         var elems = new Array();
         var timer = new Array();
+        var limitmin = 30;
+        var limitmax = 200;
 
         // position of the object which got clicked and is ready for drag and drop
@@ -22 +24 @@
         // position of the cursor, just to avoid very frequent reinitialisations
         var posx = 0, posy = 0;
+        
+        /**
+         * sets limits
+         * @param min -> minimum font size in percent
+         * @param max -> maximum font size in percent
+         */
+        this.setLimits = function(min, max) {
+                limitmin = min;
+                limitmax = max;
+        }
         
         /**
@@ -35 +47 @@
                         for(var j=0; j<val.length; j++) {
                                 if(elems[i].firstChild.data == val[j]) {
-                                        elems[i].firstChild.nextSibling.nextSibling.value = parseInt(elems[i].firstChild.nextSibling.nextSibling.value)+5;
+                                        elems[i].firstChild.nextSibling.nextSibling.value = arith(elems[i].firstChild.nextSibling.nextSibling.value,+5);
                                         elems[i].style.fontSize = elems[i].firstChild.nextSibling.nextSibling.value+'%';
                                         highlight(elems[i], timer.length);
@@ -112 +124 @@
         
         /**
+         * increased or decreased value
+         * @param val
+         * @param add
+         */
+        var arith = function(val, add) {
+                val = parseInt(val);
+                if((add < 0 && val+add > limitmin) || (add > 0 && val+add < limitmax)) {
+                        val += add;
+                }
+                return val;
+        }
+        
+        /**
          * is called on every mouse movement. If dragobject is active it will be moved with the cursor
          */
@@ -227 +252 @@
                 
                 if (delta < 0) {
-                        scrollobject.firstChild.nextSibling.nextSibling.value = parseInt(scrollobject.firstChild.nextSibling.nextSibling.value)+5;
+                        scrollobject.firstChild.nextSibling.nextSibling.value = arith(scrollobject.firstChild.nextSibling.nextSibling.value, +5);
                         scrollobject.style.fontSize = scrollobject.firstChild.nextSibling.nextSibling.value+'%';
                 } else {
-                        scrollobject.firstChild.nextSibling.nextSibling.value = parseInt(scrollobject.firstChild.nextSibling.nextSibling.value)-5;
+                        scrollobject.firstChild.nextSibling.nextSibling.value = arith(scrollobject.firstChild.nextSibling.nextSibling.value, -5);
                         scrollobject.style.fontSize = scrollobject.firstChild.nextSibling.nextSibling.value+'%';
                 }