X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;ds=sidebyside;f=dygraph.js;h=ebd6ebee0b9e84e33894d54c73bebe3c3e89d237;hb=8c03ba63fdda8a5b154f6db7fa57df154fd20437;hp=ee5306ca1ef322b4de09e7e91ab70d28599466ba;hpb=afdc483f63032d8bba075b5a424ab48b32f9d332;p=dygraphs.git
diff --git a/dygraph.js b/dygraph.js
index ee5306c..ebd6ebe 100644
--- a/dygraph.js
+++ b/dygraph.js
@@ -90,6 +90,7 @@ Dygraph.DEFAULT_ATTRS = {
// TODO(danvk): move defaults from createStatusMessage_ here.
},
labelsSeparateLines: false,
+ labelsShowZeroValues: true,
labelsKMB: false,
labelsKMG2: false,
showLabelsOnHighlight: true,
@@ -134,6 +135,9 @@ Dygraph.INFO = 2;
Dygraph.WARNING = 3;
Dygraph.ERROR = 3;
+// Used for initializing annotation CSS rules only once.
+Dygraph.addedAnnotationCSS = false;
+
Dygraph.prototype.__old_init__ = function(div, file, labels, attrs) {
// Labels is no longer a constructor parameter, since it's typically set
// directly from the data source. It also conains a name for the x-axis,
@@ -170,6 +174,7 @@ Dygraph.prototype.__init__ = function(div, file, attrs) {
this.valueRange_ = attrs.valueRange || null;
this.wilsonInterval_ = attrs.wilsonInterval || true;
this.is_initial_draw_ = true;
+ this.annotations_ = [];
// Clear the div. This ensure that, if multiple dygraphs are passed the same
// div, then only one will be drawn.
@@ -227,6 +232,8 @@ Dygraph.prototype.__init__ = function(div, file, attrs) {
// Make a note of whether labels will be pulled from the CSV file.
this.labelsFromCSV_ = (this.attr_("labels") == null);
+ Dygraph.addAnnotationRule();
+
// Create the containing DIV and other interactive elements
this.createInterface_();
@@ -345,6 +352,32 @@ Dygraph.prototype.toDataCoords = function(x, y) {
return ret;
};
+/**
+ * Returns the number of columns (including the independent variable).
+ */
+Dygraph.prototype.numColumns = function() {
+ return this.rawData_[0].length;
+};
+
+/**
+ * Returns the number of rows (excluding any header/label row).
+ */
+Dygraph.prototype.numRows = function() {
+ return this.rawData_.length;
+};
+
+/**
+ * Returns the value in the given row and column. If the row and column exceed
+ * the bounds on the data, returns null. Also returns null if the value is
+ * missing.
+ */
+Dygraph.prototype.getValue = function(row, col) {
+ if (row < 0 || row > this.rawData_.length) return null;
+ if (col < 0 || col > this.rawData_[row].length) return null;
+
+ return this.rawData_[row][col];
+};
+
Dygraph.addEvent = function(el, evt, fn) {
var normed_fn = function(e) {
if (!e) var e = window.event;
@@ -612,7 +645,12 @@ Dygraph.findPosY = function(obj) {
* been specified.
* @private
*/
-Dygraph.prototype.createStatusMessage_ = function(){
+Dygraph.prototype.createStatusMessage_ = function() {
+ var userLabelsDiv = this.user_attrs_["labelsDiv"];
+ if (userLabelsDiv && null != userLabelsDiv
+ && (typeof(userLabelsDiv) == "string" || userLabelsDiv instanceof String)) {
+ this.user_attrs_["labelsDiv"] = document.getElementById(userLabelsDiv);
+ }
if (!this.attr_("labelsDiv")) {
var divWidth = this.attr_('labelsDivWidth');
var messagestyle = {
@@ -715,7 +753,7 @@ Dygraph.prototype.createDragInterface_ = function() {
var px = 0;
var py = 0;
var getX = function(e) { return Dygraph.pageX(e) - px };
- var getY = function(e) { return Dygraph.pageX(e) - py };
+ var getY = function(e) { return Dygraph.pageY(e) - py };
// Draw zoom rectangles when the mouse is down and the user moves around
Dygraph.addEvent(this.mouseEventElement_, 'mousemove', function(event) {
@@ -792,10 +830,31 @@ Dygraph.prototype.createDragInterface_ = function() {
var regionHeight = Math.abs(dragEndY - dragStartY);
if (regionWidth < 2 && regionHeight < 2 &&
- self.attr_('clickCallback') != null &&
- self.lastx_ != undefined) {
- // TODO(danvk): pass along more info about the points.
- self.attr_('clickCallback')(event, self.lastx_, self.selPoints_);
+ self.lastx_ != undefined && self.lastx_ != -1) {
+ // TODO(danvk): pass along more info about the points, e.g. 'x'
+ if (self.attr_('clickCallback') != null) {
+ self.attr_('clickCallback')(event, self.lastx_, self.selPoints_);
+ }
+ if (self.attr_('pointClickCallback')) {
+ // check if the click was on a particular point.
+ var closestIdx = -1;
+ var closestDistance = 0;
+ for (var i = 0; i < self.selPoints_.length; i++) {
+ var p = self.selPoints_[i];
+ var distance = Math.pow(p.canvasx - dragEndX, 2) +
+ Math.pow(p.canvasy - dragEndY, 2);
+ if (closestIdx == -1 || distance < closestDistance) {
+ closestDistance = distance;
+ closestIdx = i;
+ }
+ }
+
+ // Allow any click within two pixels of the dot.
+ var radius = self.attr_('highlightCircleSize') + 2;
+ if (closestDistance <= 5 * 5) {
+ self.attr_('pointClickCallback')(event, self.selPoints_[closestIdx]);
+ }
+ }
}
if (regionWidth >= 10) {
@@ -978,6 +1037,7 @@ Dygraph.prototype.updateSelection_ = function() {
if (this.attr_('showLabelsOnHighlight')) {
// Set the status message to indicate the selected point(s)
for (var i = 0; i < this.selPoints_.length; i++) {
+ if (!this.attr_("labelsShowZeroValues") && this.selPoints_[i].yval == 0) continue;
if (!isOK(this.selPoints_[i].canvasy)) continue;
if (this.attr_("labelsSeparateLines")) {
replace += " ";
@@ -1027,7 +1087,13 @@ Dygraph.prototype.setSelection = function(row) {
if (row !== false && row >= 0) {
for (var i in this.layout_.datasets) {
if (row < this.layout_.datasets[i].length) {
- this.selPoints_.push(this.layout_.points[pos+row]);
+ var point = this.layout_.points[pos+row];
+
+ if (this.attr_("stackedGraph")) {
+ point = this.layout_.unstackPointAtIndex(pos+row);
+ }
+
+ this.selPoints_.push(point);
}
pos += this.layout_.datasets[i].length;
}
@@ -1609,6 +1675,7 @@ Dygraph.prototype.drawGraph_ = function(data) {
}
for (var i = 1; i < datasets.length; i++) {
+ if (!this.visibility()[i - 1]) continue;
this.layout_.addDataset(this.attr_("labels")[i], datasets[i]);
}
@@ -1890,6 +1957,12 @@ Dygraph.prototype.parseCSV_ = function(data) {
this.attrs_.labels = lines[0].split(delim);
}
+ // Parse the x as a float or return null if it's not a number.
+ var parseFloatOrNull = function(x) {
+ var val = parseFloat(x);
+ return isNaN(val) ? null : val;
+ };
+
var xParser;
var defaultParserSet = false; // attempt to auto-detect x value type
var expectedCols = this.attr_("labels").length;
@@ -1914,25 +1987,25 @@ Dygraph.prototype.parseCSV_ = function(data) {
for (var j = 1; j < inFields.length; j++) {
// TODO(danvk): figure out an appropriate way to flag parse errors.
var vals = inFields[j].split("/");
- fields[j] = [parseFloat(vals[0]), parseFloat(vals[1])];
+ fields[j] = [parseFloatOrNull(vals[0]), parseFloatOrNull(vals[1])];
}
} else if (this.attr_("errorBars")) {
// If there are error bars, values are (value, stddev) pairs
for (var j = 1; j < inFields.length; j += 2)
- fields[(j + 1) / 2] = [parseFloat(inFields[j]),
- parseFloat(inFields[j + 1])];
+ fields[(j + 1) / 2] = [parseFloatOrNull(inFields[j]),
+ parseFloatOrNull(inFields[j + 1])];
} else if (this.attr_("customBars")) {
// Bars are a low;center;high tuple
for (var j = 1; j < inFields.length; j++) {
var vals = inFields[j].split(";");
- fields[j] = [ parseFloat(vals[0]),
- parseFloat(vals[1]),
- parseFloat(vals[2]) ];
+ fields[j] = [ parseFloatOrNull(vals[0]),
+ parseFloatOrNull(vals[1]),
+ parseFloatOrNull(vals[2]) ];
}
} else {
// Values are just numbers
for (var j = 1; j < inFields.length; j++) {
- fields[j] = parseFloat(inFields[j]);
+ fields[j] = parseFloatOrNull(inFields[j]);
}
}
if (ret.length > 0 && fields[0] < ret[ret.length - 1][0]) {
@@ -1992,7 +2065,7 @@ Dygraph.prototype.parseArray_ = function(data) {
var parsedData = Dygraph.clone(data);
for (var i = 0; i < data.length; i++) {
if (parsedData[i].length == 0) {
- this.error("Row " << (1 + i) << " of data is empty");
+ this.error("Row " + (1 + i) + " of data is empty");
return null;
}
if (parsedData[i][0] == null
@@ -2017,7 +2090,7 @@ Dygraph.prototype.parseArray_ = function(data) {
* The data is expected to have a first column that is either a date or a
* number. All subsequent columns must be numbers. If there is a clear mismatch
* between this.xValueParser_ and the type of the first column, it will be
- * fixed. Returned value is in the same format as return value of parseCSV_.
+ * fixed. Fills out rawData_.
* @param {Array.