Merge pull request #464 from danvk/sourcemap

[dygraphs.git] / dygraph-interaction-model.js

diff --git a/dygraph-interaction-model.js b/dygraph-interaction-model.js
index 38e63d9..0011346 100644 (file)
--- a/dygraph-interaction-model.js
+++ b/dygraph-interaction-model.js
@@ -38,12 +38,18 @@ Dygraph.Interaction.startPan = function(event, g, context) {
   var i, axis;
   context.isPanning = true;
   var xRange = g.xAxisRange();
-  context.dateRange = xRange[1] - xRange[0];
-  context.initialLeftmostDate = xRange[0];
+
+  if (g.getOptionForAxis("logscale", "x")) {
+    context.initialLeftmostDate = Dygraph.log10(xRange[0]);
+    context.dateRange = Dygraph.log10(xRange[1]) - Dygraph.log10(xRange[0]);
+  } else {
+    context.initialLeftmostDate = xRange[0];    
+    context.dateRange = xRange[1] - xRange[0];
+  }
   context.xUnitsPerPixel = context.dateRange / (g.plotter_.area.w - 1);
 
-  if (g.attr_("panEdgeFraction")) {
-    var maxXPixelsToDraw = g.width_ * g.attr_("panEdgeFraction");
+  if (g.getNumericOption("panEdgeFraction")) {
+    var maxXPixelsToDraw = g.width_ * g.getNumericOption("panEdgeFraction");
     var xExtremes = g.xAxisExtremes(); // I REALLY WANT TO CALL THIS xTremes!
 
     var boundedLeftX = g.toDomXCoord(xExtremes[0]) - maxXPixelsToDraw;
@@ -54,7 +60,7 @@ Dygraph.Interaction.startPan = function(event, g, context) {
     context.boundedDates = [boundedLeftDate, boundedRightDate];
 
     var boundedValues = [];
-    var maxYPixelsToDraw = g.height_ * g.attr_("panEdgeFraction");
+    var maxYPixelsToDraw = g.height_ * g.getNumericOption("panEdgeFraction");
 
     for (i = 0; i < g.axes_.length; i++) {
       axis = g.axes_[i];
@@ -63,8 +69,8 @@ Dygraph.Interaction.startPan = function(event, g, context) {
       var boundedTopY = g.toDomYCoord(yExtremes[0], i) + maxYPixelsToDraw;
       var boundedBottomY = g.toDomYCoord(yExtremes[1], i) - maxYPixelsToDraw;
 
-      var boundedTopValue = g.toDataYCoord(boundedTopY);
-      var boundedBottomValue = g.toDataYCoord(boundedBottomY);
+      var boundedTopValue = g.toDataYCoord(boundedTopY, i);
+      var boundedBottomValue = g.toDataYCoord(boundedBottomY, i);
 
       boundedValues[i] = [boundedTopValue, boundedBottomValue];
     }
@@ -115,8 +121,8 @@ Dygraph.Interaction.startPan = function(event, g, context) {
  *     context.
  */
 Dygraph.Interaction.movePan = function(event, g, context) {
-  context.dragEndX = g.dragGetX_(event, context);
-  context.dragEndY = g.dragGetY_(event, context);
+  context.dragEndX = Dygraph.dragGetX_(event, context);
+  context.dragEndY = Dygraph.dragGetY_(event, context);
 
   var minDate = context.initialLeftmostDate -
     (context.dragEndX - context.dragStartX) * context.xUnitsPerPixel;
@@ -132,16 +138,22 @@ Dygraph.Interaction.movePan = function(event, g, context) {
     }
   }
 
-  g.dateWindow_ = [minDate, maxDate];
+  if (g.getOptionForAxis("logscale", "x")) {
+    g.dateWindow_ = [ Math.pow(Dygraph.LOG_SCALE, minDate),
+                      Math.pow(Dygraph.LOG_SCALE, maxDate) ];
+  } else {
+    g.dateWindow_ = [minDate, maxDate];    
+  }
 
   // y-axis scaling is automatic unless this is a full 2D pan.
   if (context.is2DPan) {
+
+    var pixelsDragged = context.dragEndY - context.dragStartY;
+
     // Adjust each axis appropriately.
     for (var i = 0; i < g.axes_.length; i++) {
       var axis = g.axes_[i];
       var axis_data = context.axes[i];
-
-      var pixelsDragged = context.dragEndY - context.dragStartY;
       var unitsDragged = pixelsDragged * axis_data.unitsPerPixel;
 
       var boundedValue = context.boundedValues ? context.boundedValues[i] : null;
@@ -159,8 +171,7 @@ Dygraph.Interaction.movePan = function(event, g, context) {
           minValue = maxValue - axis_data.dragValueRange;
         }
       }
-      var logscale = g.attributes_.getForAxis("logscale", i);
-      if (logscale) {
+      if (g.attributes_.getForAxis("logscale", i)) {
         axis.valueWindow = [ Math.pow(Dygraph.LOG_SCALE, minValue),
                              Math.pow(Dygraph.LOG_SCALE, maxValue) ];
       } else {
@@ -187,8 +198,8 @@ Dygraph.Interaction.movePan = function(event, g, context) {
  *     context.
  */
 Dygraph.Interaction.endPan = function(event, g, context) {
-  context.dragEndX = g.dragGetX_(event, context);
-  context.dragEndY = g.dragGetY_(event, context);
+  context.dragEndX = Dygraph.dragGetX_(event, context);
+  context.dragEndY = Dygraph.dragGetY_(event, context);
 
   var regionWidth = Math.abs(context.dragEndX - context.dragStartX);
   var regionHeight = Math.abs(context.dragEndY - context.dragStartY);
@@ -245,8 +256,8 @@ Dygraph.Interaction.startZoom = function(event, g, context) {
  */
 Dygraph.Interaction.moveZoom = function(event, g, context) {
   context.zoomMoved = true;
-  context.dragEndX = g.dragGetX_(event, context);
-  context.dragEndY = g.dragGetY_(event, context);
+  context.dragEndX = Dygraph.dragGetX_(event, context);
+  context.dragEndY = Dygraph.dragGetY_(event, context);
 
   var xDelta = Math.abs(context.dragStartX - context.dragEndX);
   var yDelta = Math.abs(context.dragStartY - context.dragEndY);
@@ -275,8 +286,8 @@ Dygraph.Interaction.moveZoom = function(event, g, context) {
  * @param {Object} context
  */
 Dygraph.Interaction.treatMouseOpAsClick = function(g, event, context) {
-  var clickCallback = g.attr_('clickCallback');
-  var pointClickCallback = g.attr_('pointClickCallback');
+  var clickCallback = g.getFunctionOption('clickCallback');
+  var pointClickCallback = g.getFunctionOption('pointClickCallback');
 
   var selectedPoint = null;
 
@@ -299,7 +310,7 @@ Dygraph.Interaction.treatMouseOpAsClick = function(g, event, context) {
     }
 
     // Allow any click within two pixels of the dot.
-    var radius = g.attr_('highlightCircleSize') + 2;
+    var radius = g.getNumericOption('highlightCircleSize') + 2;
     if (closestDistance <= radius * radius) {
       selectedPoint = g.selPoints_[closestIdx];
     }
@@ -332,8 +343,8 @@ Dygraph.Interaction.treatMouseOpAsClick = function(g, event, context) {
  */
 Dygraph.Interaction.endZoom = function(event, g, context) {
   context.isZooming = false;
-  context.dragEndX = g.dragGetX_(event, context);
-  context.dragEndY = g.dragGetY_(event, context);
+  context.dragEndX = Dygraph.dragGetX_(event, context);
+  context.dragEndY = Dygraph.dragGetY_(event, context);
   var regionWidth = Math.abs(context.dragEndX - context.dragStartX);
   var regionHeight = Math.abs(context.dragEndY - context.dragStartY);
 
@@ -522,9 +533,9 @@ Dygraph.Interaction.moveTouch = function(event, g, context) {
   g.drawGraph_(false);
 
   // We only call zoomCallback on zooms, not pans, to mirror desktop behavior.
-  if (didZoom && touches.length > 1 && g.attr_('zoomCallback')) {
+  if (didZoom && touches.length > 1 && g.getFunctionOption('zoomCallback')) {
     var viewWindow = g.xAxisRange();
-    g.attr_("zoomCallback")(viewWindow[0], viewWindow[1], g.yAxisRanges());
+    g.getFunctionOption("zoomCallback")(viewWindow[0], viewWindow[1], g.yAxisRanges());
   }
 };
 
@@ -644,8 +655,8 @@ Dygraph.Interaction.nonInteractiveModel_ = {
   },
   mouseup: function(event, g, context) {
     // TODO(danvk): this logic is repeated in Dygraph.Interaction.endZoom
-    context.dragEndX = g.dragGetX_(event, context);
-    context.dragEndY = g.dragGetY_(event, context);
+    context.dragEndX = Dygraph.dragGetX_(event, context);
+    context.dragEndY = Dygraph.dragGetY_(event, context);
     var regionWidth = Math.abs(context.dragEndX - context.dragStartX);
     var regionHeight = Math.abs(context.dragEndY - context.dragStartY);