};
/**
- * Convert a JS date (millis since epoch) to YYYY/MM/DD
- * @param {Number} date The JavaScript date (ms since epoch)
- * @return {String} A date of the form "YYYY/MM/DD"
+ * @type {!Array.<string>}
* @private
+ * @constant
*/
-Dygraph.dateString_ = function(date) {
- var zeropad = Dygraph.zeropad;
- var d = new Date(date);
+Dygraph.SHORT_MONTH_NAMES_ = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
- // Get the year:
- var year = "" + d.getFullYear();
- // Get a 0 padded month string
- var month = zeropad(d.getMonth() + 1); //months are 0-offset, sigh
- // Get a 0 padded day string
- var day = zeropad(d.getDate());
-
- var ret = "";
- var frac = d.getHours() * 3600 + d.getMinutes() * 60 + d.getSeconds();
- if (frac) ret = " " + Dygraph.hmsString_(date);
-
- return year + "/" + month + "/" + day + ret;
-};
/**
* Convert a JS date to a string appropriate to display on an axis that
*/
Dygraph.dateAxisFormatter = function(date, granularity) {
if (granularity >= Dygraph.DECADAL) {
- return date.strftime('%Y');
+ return '' + date.getFullYear();
} else if (granularity >= Dygraph.MONTHLY) {
- return date.strftime('%b %y');
+ return Dygraph.SHORT_MONTH_NAMES_[date.getMonth()] + ' ' + date.getFullYear();
} else {
var frac = date.getHours() * 3600 + date.getMinutes() * 60 + date.getSeconds() + date.getMilliseconds();
if (frac === 0 || granularity >= Dygraph.DAILY) {
- return new Date(date.getTime() + 3600*1000).strftime('%d%b');
+ // e.g. '21Jan' (%d%b)
+ var nd = new Date(date.getTime() + 3600*1000);
+ return Dygraph.zeropad(nd.getDate()) + Dygraph.SHORT_MONTH_NAMES_[nd.getMonth()];
} else {
return Dygraph.hmsString_(date.getTime());
}
};
/**
- * @private
- * Converts page the x-coordinate of the event to pixel x-coordinates on the
- * canvas (i.e. DOM Coords).
- */
-Dygraph.prototype.dragGetX_ = function(e, context) {
- return Dygraph.pageX(e) - context.px;
-};
-
-/**
- * @private
- * Converts page the y-coordinate of the event to pixel y-coordinates on the
- * canvas (i.e. DOM Coords).
- */
-Dygraph.prototype.dragGetY_ = function(e, context) {
- return Dygraph.pageY(e) - context.py;
-};
-
-/**
* Set up all the mouse handlers needed to capture dragging behavior for zoom
* events.
* @private
event.cancelBubble = true;
}
- var canvasPos = DygraphafindPos(g.canvas_);
+ var canvasPos = Dygraph.findPos(g.canvas_);
contextB.px = canvasPos.x;
contextB.py = canvasPos.y;
- contextB.dragStartX = g.dragGetX_(event, contextB);
- contextB.dragStartY = g.dragGetY_(event, contextB);
+ contextB.dragStartX = Dygraph.dragGetX_(event, contextB);
+ contextB.dragStartY = Dygraph.dragGetY_(event, contextB);
contextB.cancelNextDblclick = false;
contextB.tarp.cover();
}
if (event.offsetX && event.offsetY) {
return [ event.offsetX, event.offsetY ];
} else {
- var eventElementPos = Dygraph.findPosX(this.mouseEventElement_)
+ var eventElementPos = Dygraph.findPos(this.mouseEventElement_);
var canvasx = Dygraph.pageX(event) - eventElementPos.x;
var canvasy = Dygraph.pageY(event) - eventElementPos.y;
return [canvasx, canvasy];