* @author Robert Konigsberg (konigsberg@google.com)
*/
-(function() {
/*global Dygraph:false */
"use strict";
+import * as utils from './dygraph-utils';
+
/**
* You can drag this many pixels past the edge of the chart and still have it
* be considered a zoom. This makes it easier to zoom to the exact edge of the
* A collection of functions to facilitate build custom interaction models.
* @class
*/
-Dygraph.Interaction = {};
+var DygraphInteraction = {};
/**
* Checks whether the beginning & ending of an event were close enough that it
* @param {Dygraph} g
* @param {Object} context
*/
-Dygraph.Interaction.maybeTreatMouseOpAsClick = function(event, g, context) {
- context.dragEndX = Dygraph.dragGetX_(event, context);
- context.dragEndY = Dygraph.dragGetY_(event, context);
+DygraphInteraction.maybeTreatMouseOpAsClick = function(event, g, context) {
+ context.dragEndX = utils.dragGetX_(event, context);
+ context.dragEndY = utils.dragGetY_(event, context);
var regionWidth = Math.abs(context.dragEndX - context.dragStartX);
var regionHeight = Math.abs(context.dragEndY - context.dragStartY);
if (regionWidth < 2 && regionHeight < 2 &&
g.lastx_ !== undefined && g.lastx_ != -1) {
- Dygraph.Interaction.treatMouseOpAsClick(g, event, context);
+ DygraphInteraction.treatMouseOpAsClick(g, event, context);
}
context.regionWidth = regionWidth;
* dragStartX/dragStartY/etc. properties). This function modifies the
* context.
*/
-Dygraph.Interaction.startPan = function(event, g, context) {
+DygraphInteraction.startPan = function(event, g, context) {
var i, axis;
context.isPanning = true;
var xRange = g.xAxisRange();
if (g.getOptionForAxis("logscale", "x")) {
- context.initialLeftmostDate = Dygraph.log10(xRange[0]);
- context.dateRange = Dygraph.log10(xRange[1]) - Dygraph.log10(xRange[0]);
+ context.initialLeftmostDate = utils.log10(xRange[0]);
+ context.dateRange = utils.log10(xRange[1]) - utils.log10(xRange[0]);
} else {
- context.initialLeftmostDate = xRange[0];
+ context.initialLeftmostDate = xRange[0];
context.dateRange = xRange[1] - xRange[0];
}
context.xUnitsPerPixel = context.dateRange / (g.plotter_.area.w - 1);
}
// Record the range of each y-axis at the start of the drag.
- // If any axis has a valueRange or valueWindow, then we want a 2D pan.
+ // If any axis has a valueRange, then we want a 2D pan.
// We can't store data directly in g.axes_, because it does not belong to us
// and could change out from under us during a pan (say if there's a data
// update).
// In log scale, initialTopValue, dragValueRange and unitsPerPixel are log scale.
var logscale = g.attributes_.getForAxis("logscale", i);
if (logscale) {
- axis_data.initialTopValue = Dygraph.log10(yRange[1]);
- axis_data.dragValueRange = Dygraph.log10(yRange[1]) - Dygraph.log10(yRange[0]);
+ axis_data.initialTopValue = utils.log10(yRange[1]);
+ axis_data.dragValueRange = utils.log10(yRange[1]) - utils.log10(yRange[0]);
} else {
axis_data.initialTopValue = yRange[1];
axis_data.dragValueRange = yRange[1] - yRange[0];
context.axes.push(axis_data);
// While calculating axes, set 2dpan.
- if (axis.valueWindow || axis.valueRange) context.is2DPan = true;
+ if (axis.valueRange) context.is2DPan = true;
}
};
* dragStartX/dragStartY/etc. properties). This function modifies the
* context.
*/
-Dygraph.Interaction.movePan = function(event, g, context) {
- context.dragEndX = Dygraph.dragGetX_(event, context);
- context.dragEndY = Dygraph.dragGetY_(event, context);
+DygraphInteraction.movePan = function(event, g, context) {
+ context.dragEndX = utils.dragGetX_(event, context);
+ context.dragEndY = utils.dragGetY_(event, context);
var minDate = context.initialLeftmostDate -
(context.dragEndX - context.dragStartX) * context.xUnitsPerPixel;
}
if (g.getOptionForAxis("logscale", "x")) {
- g.dateWindow_ = [ Math.pow(Dygraph.LOG_SCALE, minDate),
- Math.pow(Dygraph.LOG_SCALE, maxDate) ];
+ g.dateWindow_ = [ Math.pow(utils.LOG_SCALE, minDate),
+ Math.pow(utils.LOG_SCALE, maxDate) ];
} else {
- g.dateWindow_ = [minDate, maxDate];
+ g.dateWindow_ = [minDate, maxDate];
}
// y-axis scaling is automatic unless this is a full 2D pan.
}
}
if (g.attributes_.getForAxis("logscale", i)) {
- axis.valueWindow = [ Math.pow(Dygraph.LOG_SCALE, minValue),
- Math.pow(Dygraph.LOG_SCALE, maxValue) ];
+ axis.valueRange = [ Math.pow(utils.LOG_SCALE, minValue),
+ Math.pow(utils.LOG_SCALE, maxValue) ];
} else {
- axis.valueWindow = [ minValue, maxValue ];
+ axis.valueRange = [ minValue, maxValue ];
}
}
}
* dragStartX/dragStartY/etc. properties). This function modifies the
* context.
*/
-Dygraph.Interaction.endPan = Dygraph.Interaction.maybeTreatMouseOpAsClick;
+DygraphInteraction.endPan = DygraphInteraction.maybeTreatMouseOpAsClick;
/**
* Called in response to an interaction model operation that
* dragStartX/dragStartY/etc. properties). This function modifies the
* context.
*/
-Dygraph.Interaction.startZoom = function(event, g, context) {
+DygraphInteraction.startZoom = function(event, g, context) {
context.isZooming = true;
context.zoomMoved = false;
};
* dragStartX/dragStartY/etc. properties). This function modifies the
* context.
*/
-Dygraph.Interaction.moveZoom = function(event, g, context) {
+DygraphInteraction.moveZoom = function(event, g, context) {
context.zoomMoved = true;
- context.dragEndX = Dygraph.dragGetX_(event, context);
- context.dragEndY = Dygraph.dragGetY_(event, context);
+ context.dragEndX = utils.dragGetX_(event, context);
+ context.dragEndY = utils.dragGetY_(event, context);
var xDelta = Math.abs(context.dragStartX - context.dragEndX);
var yDelta = Math.abs(context.dragStartY - context.dragEndY);
// drag direction threshold for y axis is twice as large as x axis
- context.dragDirection = (xDelta < yDelta / 2) ? Dygraph.VERTICAL : Dygraph.HORIZONTAL;
+ context.dragDirection = (xDelta < yDelta / 2) ? utils.VERTICAL : utils.HORIZONTAL;
g.drawZoomRect_(
context.dragDirection,
* @param {Event} event
* @param {Object} context
*/
-Dygraph.Interaction.treatMouseOpAsClick = function(g, event, context) {
+DygraphInteraction.treatMouseOpAsClick = function(g, event, context) {
var clickCallback = g.getFunctionOption('clickCallback');
var pointClickCallback = g.getFunctionOption('pointClickCallback');
* dragStartX/dragStartY/etc. properties). This function modifies the
* context.
*/
-Dygraph.Interaction.endZoom = function(event, g, context) {
+DygraphInteraction.endZoom = function(event, g, context) {
g.clearZoomRect_();
context.isZooming = false;
- Dygraph.Interaction.maybeTreatMouseOpAsClick(event, g, context);
+ DygraphInteraction.maybeTreatMouseOpAsClick(event, g, context);
// The zoom rectangle is visibly clipped to the plot area, so its behavior
// should be as well.
// See http://code.google.com/p/dygraphs/issues/detail?id=280
var plotArea = g.getArea();
if (context.regionWidth >= 10 &&
- context.dragDirection == Dygraph.HORIZONTAL) {
+ context.dragDirection == utils.HORIZONTAL) {
var left = Math.min(context.dragStartX, context.dragEndX),
right = Math.max(context.dragStartX, context.dragEndX);
left = Math.max(left, plotArea.x);
}
context.cancelNextDblclick = true;
} else if (context.regionHeight >= 10 &&
- context.dragDirection == Dygraph.VERTICAL) {
+ context.dragDirection == utils.VERTICAL) {
var top = Math.min(context.dragStartY, context.dragEndY),
bottom = Math.max(context.dragStartY, context.dragEndY);
top = Math.max(top, plotArea.y);
/**
* @private
*/
-Dygraph.Interaction.startTouch = function(event, g, context) {
+DygraphInteraction.startTouch = function(event, g, context) {
event.preventDefault(); // touch browsers are all nice.
if (event.touches.length > 1) {
// If the user ever puts two fingers down, it's not a double tap.
/**
* @private
*/
-Dygraph.Interaction.moveTouch = function(event, g, context) {
+DygraphInteraction.moveTouch = function(event, g, context) {
// If the tap moves, then it's definitely not part of a double-tap.
context.startTimeForDoubleTapMs = null;
];
didZoom = true;
}
-
+
if (context.touchDirections.y) {
for (i = 0; i < 1 /*g.axes_.length*/; i++) {
var axis = g.axes_[i];
if (logscale) {
// TODO(danvk): implement
} else {
- axis.valueWindow = [
+ axis.valueRange = [
c_init.dataY - swipe.dataY + (context.initialRange.y[0] - c_init.dataY) / yScale,
c_init.dataY - swipe.dataY + (context.initialRange.y[1] - c_init.dataY) / yScale
];
/**
* @private
*/
-Dygraph.Interaction.endTouch = function(event, g, context) {
+DygraphInteraction.endTouch = function(event, g, context) {
if (event.touches.length !== 0) {
// this is effectively a "reset"
- Dygraph.Interaction.startTouch(event, g, context);
+ DygraphInteraction.startTouch(event, g, context);
} else if (event.changedTouches.length == 1) {
// Could be part of a "double tap"
// The heuristic here is that it's a double-tap if the two touchend events
* edge of the chart. For events in the interior of the chart, this returns zero.
*/
var distanceFromChart = function(event, g) {
- var chartPos = Dygraph.findPos(g.canvas_);
+ var chartPos = utils.findPos(g.canvas_);
var box = {
left: chartPos.x,
right: chartPos.x + g.canvas_.offsetWidth,
};
var pt = {
- x: Dygraph.pageX(event),
- y: Dygraph.pageY(event)
+ x: utils.pageX(event),
+ y: utils.pageY(event)
};
var dx = distanceFromInterval(pt.x, box.left, box.right),
* this when constructing your own interaction model, e.g.:
* g.updateOptions( {
* interactionModel: {
- * mousedown: Dygraph.defaultInteractionModel.mousedown
+ * mousedown: DygraphInteraction.defaultInteractionModel.mousedown
* }
* } );
*/
-Dygraph.Interaction.defaultModel = {
+DygraphInteraction.defaultModel = {
// Track the beginning of drag events
mousedown: function(event, g, context) {
// Right-click should not initiate a zoom.
context.initializeMouseDown(event, g, context);
if (event.altKey || event.shiftKey) {
- Dygraph.startPan(event, g, context);
+ DygraphInteraction.startPan(event, g, context);
} else {
- Dygraph.startZoom(event, g, context);
+ DygraphInteraction.startZoom(event, g, context);
}
// Note: we register mousemove/mouseup on document to allow some leeway for
// When the mouse moves >200px from the chart edge, cancel the zoom.
var d = distanceFromChart(event, g);
if (d < DRAG_EDGE_MARGIN) {
- Dygraph.moveZoom(event, g, context);
+ DygraphInteraction.moveZoom(event, g, context);
} else {
if (context.dragEndX !== null) {
context.dragEndX = null;
}
}
} else if (context.isPanning) {
- Dygraph.movePan(event, g, context);
+ DygraphInteraction.movePan(event, g, context);
}
};
var mouseup = function(event) {
if (context.isZooming) {
if (context.dragEndX !== null) {
- Dygraph.endZoom(event, g, context);
+ DygraphInteraction.endZoom(event, g, context);
} else {
- Dygraph.Interaction.maybeTreatMouseOpAsClick(event, g, context);
+ DygraphInteraction.maybeTreatMouseOpAsClick(event, g, context);
}
} else if (context.isPanning) {
- Dygraph.endPan(event, g, context);
+ DygraphInteraction.endPan(event, g, context);
}
- Dygraph.removeEvent(document, 'mousemove', mousemove);
- Dygraph.removeEvent(document, 'mouseup', mouseup);
+ utils.removeEvent(document, 'mousemove', mousemove);
+ utils.removeEvent(document, 'mouseup', mouseup);
context.destroy();
};
willDestroyContextMyself: true,
touchstart: function(event, g, context) {
- Dygraph.Interaction.startTouch(event, g, context);
+ DygraphInteraction.startTouch(event, g, context);
},
touchmove: function(event, g, context) {
- Dygraph.Interaction.moveTouch(event, g, context);
+ DygraphInteraction.moveTouch(event, g, context);
},
touchend: function(event, g, context) {
- Dygraph.Interaction.endTouch(event, g, context);
+ DygraphInteraction.endTouch(event, g, context);
},
// Disable zooming out if panning.
// Give plugins a chance to grab this event.
var e = {
canvasx: context.dragEndX,
- canvasy: context.dragEndY
+ canvasy: context.dragEndY,
+ cancelable: true,
};
if (g.cascadeEvents_('dblclick', e)) {
return;
}
};
-Dygraph.DEFAULT_ATTRS.interactionModel = Dygraph.Interaction.defaultModel;
+/*
+Dygraph.DEFAULT_ATTRS.interactionModel = DygraphInteraction.defaultModel;
// old ways of accessing these methods/properties
-Dygraph.defaultInteractionModel = Dygraph.Interaction.defaultModel;
-Dygraph.endZoom = Dygraph.Interaction.endZoom;
-Dygraph.moveZoom = Dygraph.Interaction.moveZoom;
-Dygraph.startZoom = Dygraph.Interaction.startZoom;
-Dygraph.endPan = Dygraph.Interaction.endPan;
-Dygraph.movePan = Dygraph.Interaction.movePan;
-Dygraph.startPan = Dygraph.Interaction.startPan;
-
-Dygraph.Interaction.nonInteractiveModel_ = {
+Dygraph.defaultInteractionModel = DygraphInteraction.defaultModel;
+Dygraph.endZoom = DygraphInteraction.endZoom;
+Dygraph.moveZoom = DygraphInteraction.moveZoom;
+Dygraph.startZoom = DygraphInteraction.startZoom;
+Dygraph.endPan = DygraphInteraction.endPan;
+Dygraph.movePan = DygraphInteraction.movePan;
+Dygraph.startPan = DygraphInteraction.startPan;
+*/
+
+DygraphInteraction.nonInteractiveModel_ = {
mousedown: function(event, g, context) {
context.initializeMouseDown(event, g, context);
},
- mouseup: Dygraph.Interaction.maybeTreatMouseOpAsClick
+ mouseup: DygraphInteraction.maybeTreatMouseOpAsClick
};
// Default interaction model when using the range selector.
-Dygraph.Interaction.dragIsPanInteractionModel = {
+DygraphInteraction.dragIsPanInteractionModel = {
mousedown: function(event, g, context) {
context.initializeMouseDown(event, g, context);
- Dygraph.startPan(event, g, context);
+ DygraphInteraction.startPan(event, g, context);
},
mousemove: function(event, g, context) {
if (context.isPanning) {
- Dygraph.movePan(event, g, context);
+ DygraphInteraction.movePan(event, g, context);
}
},
mouseup: function(event, g, context) {
if (context.isPanning) {
- Dygraph.endPan(event, g, context);
+ DygraphInteraction.endPan(event, g, context);
}
}
};
-})();
+export default DygraphInteraction;
projects / dygraphs.git / blobdiff