#261 replaced throw by console.error for recoverable errors

src/js/controller/settings/ImportController.js

@@ -15,7 +15,7 @@
 
     this.addEventListener('.browse-local-button', 'click', this.onBrowseLocalClick_);
     this.addEventListener('.file-input-button', 'click', this.onFileInputClick_);
-    
+
     // different handlers, depending on the Environment
     if (pskl.utils.Environment.detectNodeWebkit()) {
       this.addEventListener('.open-piskel-button', 'click', this.openPiskelDesktop_);
@@ -98,7 +98,7 @@
         this.closeDrawer_();
       } else {
         this.closeDrawer_();
-        throw 'File is not an image : ' + file.type;
+        console.error('File is not an image : ' + file.type);
       }
     }
   };

src/js/model/Layer.js

@@ -56,7 +56,7 @@
     if (this.frames[index]) {
       this.frames.splice(index, 1);
     } else {
-      throw 'Invalid index in removeFrameAt : ' + index + ' (size : ' + this.size() + ')';
+      console.error('Invalid index in removeFrameAt : %s (size : %s)', index, this.size());
     }
   };
 
@@ -72,9 +72,7 @@
       this.frames[toIndex] = fromFrame;
       this.frames[fromIndex] = toFrame;
     } else {
-      console.log('frames', this.frames);
-      console.log('fromIndex', fromIndex, 'toIndex', toIndex);
-      throw 'Frame not found in moveFrameAt';
+      console.error('Frame not found in moveFrameAt (from %s, to %s)', fromIndex, toIndex);
     }
   };
 
@@ -89,7 +87,7 @@
       var clone = frame.clone();
       this.addFrameAt(clone, index);
     } else {
-      throw 'Frame not found in duplicateFrameAt';
+      console.error('Frame not found in duplicateFrameAt (at %s)', index);
     }
   };
 

src/js/selection/SelectionManager.js

@@ -85,9 +85,6 @@
       this.currentSelection.fillSelectionFromFrame(this.piskelController.getCurrentFrame());
       this.erase();
     }
-    else {
-      throw "Bad state for CUT callback in SelectionManager";
-    }
   };
 
   ns.SelectionManager.prototype.paste = function() {
@@ -128,8 +125,6 @@
   ns.SelectionManager.prototype.copy = function() {
     if(this.currentSelection && this.piskelController.getCurrentFrame()) {
       this.currentSelection.fillSelectionFromFrame(this.piskelController.getCurrentFrame());
-    } else {
-      throw "Bad state for CUT callback in SelectionManager";
     }
   };
 
@@ -140,7 +135,7 @@
     if(selection) {
       this.currentSelection = selection;
     } else {
-      throw "No selection set in SelectionManager";
+      console.error("No selection provided to SelectionManager");
     }
   };
 
@@ -150,9 +145,8 @@
   ns.SelectionManager.prototype.onSelectionMoved_ = function(evt, colDiff, rowDiff) {
     if(this.currentSelection) {
       this.currentSelection.move(colDiff, rowDiff);
-    }
-    else {
-      throw "Bad state: No currentSelection set when trying to move it in SelectionManager";
+    } else {
+      console.error("Bad state: No currentSelection set when trying to move it in SelectionManager");
     }
   };
 })();

src/js/service/HistoryService.js

@@ -92,19 +92,23 @@
         var onPiskelLoadedCb = this.onPiskelLoaded_.bind(this, index, snapshotIndex);
         this.deserializer.deserialize(serializedPiskel, onPiskelLoadedCb);
       }
-    } catch (e) {
-      window.console.error("[CRITICAL ERROR] : Unable to load a history state.");
-      if (typeof e === "string") {
-        window.console.error(e);
-      } else {
-        window.console.error(e.message);
-        window.console.error(e.stack);
-      }
+    } catch (error) {
+      console.error("[CRITICAL ERROR] : Unable to load a history state.");
+      this.logError_(error);
       this.stateQueue = [];
       this.currentIndex = -1;
     }
   };
 
+  ns.HistoryService.prototype.logError_ = function (error) {
+    if (typeof error === "string") {
+      console.error(error);
+    } else {
+      console.error(error.message);
+      console.error(error.stack);
+    }
+  };
+
   ns.HistoryService.prototype.getSnapshotFromState_ = function (stateIndex) {
     var state = this.stateQueue[stateIndex];
     var piskelSnapshot = state.piskel;

src/js/service/LocalStorageService.js

@@ -2,7 +2,6 @@
   var ns = $.namespace("pskl.service");
 
   ns.LocalStorageService = function (piskelController) {
-
     if(piskelController === undefined) {
       throw "Bad LocalStorageService initialization: <undefined piskelController>";
     }

src/js/service/palette/PaletteImportService.js

@@ -15,7 +15,7 @@
     if (reader) {
       reader.read();
     } else {
-      throw 'Could not find reader for file : ' + file.name;
+      console.error('Could not find reader for file : %s', file.name);
     }
   };
 

src/js/utils/UserSettings.js

@@ -87,7 +87,7 @@
     checkKeyValidity_ : function(key) {
       if(!(key in this.KEY_TO_DEFAULT_VALUE_MAP_)) {
         // TODO(grosbouddha): Define error catching strategy and throw exception from here.
-        console.log("UserSettings key <"+ key +"> not find in supported keys.");
+        console.error("UserSettings key <"+ key +"> not found in supported keys.");
       }
     }
   };