X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=plugins%2Faxes.js;fp=plugins%2Faxes.js;h=0000000000000000000000000000000000000000;hb=07cae5dd0adbcee97689ffa6099a6b0e8665011b;hp=aa142ce41c02deb34791d4ac3acb2114d0569d7a;hpb=8db6393ec8cac592f323724e43a2a7122a84614f;p=dygraphs.git

diff --git a/plugins/axes.js b/plugins/axes.js
deleted file mode 100644
index aa142ce..0000000
--- a/plugins/axes.js
+++ /dev/null
@@ -1,323 +0,0 @@
-/**
- * @license
- * Copyright 2012 Dan Vanderkam (danvdk@gmail.com)
- * MIT-licensed (http://opensource.org/licenses/MIT)
- */
-
-/*global Dygraph:false */
-
-Dygraph.Plugins.Axes = (function() {
-
-'use strict';
-
-/*
-Bits of jankiness:
-- Direct layout access
-- Direct area access
-- Should include calculation of ticks, not just the drawing.
-
-Options left to make axis-friendly.
-  ('drawAxesAtZero')
-  ('xAxisHeight')
-*/
-
-/**
- * Draws the axes. This includes the labels on the x- and y-axes, as well
- * as the tick marks on the axes.
- * It does _not_ draw the grid lines which span the entire chart.
- */
-var axes = function() {
-  this.xlabels_ = [];
-  this.ylabels_ = [];
-};
-
-axes.prototype.toString = function() {
-  return 'Axes Plugin';
-};
-
-axes.prototype.activate = function(g) {
-  return {
-    layout: this.layout,
-    clearChart: this.clearChart,
-    willDrawChart: this.willDrawChart
-  };
-};
-
-axes.prototype.layout = function(e) {
-  var g = e.dygraph;
-
-  if (g.getOptionForAxis('drawAxis', 'y')) {
-    var w = g.getOptionForAxis('axisLabelWidth', 'y') + 2 * g.getOptionForAxis('axisTickSize', 'y');
-    e.reserveSpaceLeft(w);
-  }
-
-  if (g.getOptionForAxis('drawAxis', 'x')) {
-    var h;
-    // NOTE: I think this is probably broken now, since g.getOption() now
-    // hits the dictionary. (That is, g.getOption('xAxisHeight') now always
-    // has a value.)
-    if (g.getOption('xAxisHeight')) {
-      h = g.getOption('xAxisHeight');
-    } else {
-      h = g.getOptionForAxis('axisLabelFontSize', 'x') + 2 * g.getOptionForAxis('axisTickSize', 'x');
-    }
-    e.reserveSpaceBottom(h);
-  }
-
-  if (g.numAxes() == 2) {
-    if (g.getOptionForAxis('drawAxis', 'y2')) {
-      var w = g.getOptionForAxis('axisLabelWidth', 'y2') + 2 * g.getOptionForAxis('axisTickSize', 'y2');
-      e.reserveSpaceRight(w);
-    }
-  } else if (g.numAxes() > 2) {
-    g.error('Only two y-axes are supported at this time. (Trying ' +
-            'to use ' + g.numAxes() + ')');
-  }
-};
-
-axes.prototype.detachLabels = function() {
-  function removeArray(ary) {
-    for (var i = 0; i < ary.length; i++) {
-      var el = ary[i];
-      if (el.parentNode) el.parentNode.removeChild(el);
-    }
-  }
-
-  removeArray(this.xlabels_);
-  removeArray(this.ylabels_);
-  this.xlabels_ = [];
-  this.ylabels_ = [];
-};
-
-axes.prototype.clearChart = function(e) {
-  this.detachLabels();
-};
-
-axes.prototype.willDrawChart = function(e) {
-  var g = e.dygraph;
-
-  if (!g.getOptionForAxis('drawAxis', 'x') &&
-      !g.getOptionForAxis('drawAxis', 'y') &&
-      !g.getOptionForAxis('drawAxis', 'y2')) {
-    return;
-  }
-  
-  // Round pixels to half-integer boundaries for crisper drawing.
-  function halfUp(x)  { return Math.round(x) + 0.5; }
-  function halfDown(y){ return Math.round(y) - 0.5; }
-
-  var context = e.drawingContext;
-  var containerDiv = e.canvas.parentNode;
-  var canvasWidth = g.width_;  // e.canvas.width is affected by pixel ratio.
-  var canvasHeight = g.height_;
-
-  var label, x, y, tick, i;
-
-  var makeLabelStyle = function(axis) {
-    return {
-      position: 'absolute',
-      fontSize: g.getOptionForAxis('axisLabelFontSize', axis) + 'px',
-      zIndex: 10,
-      color: g.getOptionForAxis('axisLabelColor', axis),
-      width: g.getOptionForAxis('axisLabelWidth', axis) + 'px',
-      // height: g.getOptionForAxis('axisLabelFontSize', 'x') + 2 + "px",
-      lineHeight: 'normal',  // Something other than "normal" line-height screws up label positioning.
-      overflow: 'hidden'
-    };
-  };
-
-  var labelStyles = {
-    x : makeLabelStyle('x'),
-    y : makeLabelStyle('y'),
-    y2 : makeLabelStyle('y2')
-  };
-
-  var makeDiv = function(txt, axis, prec_axis) {
-    /*
-     * This seems to be called with the following three sets of axis/prec_axis:
-     * x: undefined
-     * y: y1
-     * y: y2
-     */
-    var div = document.createElement('div');
-    var labelStyle = labelStyles[prec_axis == 'y2' ? 'y2' : axis];
-    for (var name in labelStyle) {
-      if (labelStyle.hasOwnProperty(name)) {
-        div.style[name] = labelStyle[name];
-      }
-    }
-    var inner_div = document.createElement('div');
-    inner_div.className = 'dygraph-axis-label' +
-                          ' dygraph-axis-label-' + axis +
-                          (prec_axis ? ' dygraph-axis-label-' + prec_axis : '');
-    inner_div.innerHTML = txt;
-    div.appendChild(inner_div);
-    return div;
-  };
-
-  // axis lines
-  context.save();
-
-  var layout = g.layout_;
-  var area = e.dygraph.plotter_.area;
-
-  // Helper for repeated axis-option accesses.
-  var makeOptionGetter = function(axis) {
-    return function(option) {
-      return g.getOptionForAxis(option, axis);
-    };
-  };
-
-  if (g.getOptionForAxis('drawAxis', 'y')) {
-    if (layout.yticks && layout.yticks.length > 0) {
-      var num_axes = g.numAxes();
-      var getOptions = [makeOptionGetter('y'), makeOptionGetter('y2')];
-      for (i = 0; i < layout.yticks.length; i++) {
-        tick = layout.yticks[i];
-        if (typeof(tick) == 'function') return;  // <-- when would this happen?
-        x = area.x;
-        var sgn = 1;
-        var prec_axis = 'y1';
-        var getAxisOption = getOptions[0];
-        if (tick[0] == 1) {  // right-side y-axis
-          x = area.x + area.w;
-          sgn = -1;
-          prec_axis = 'y2';
-          getAxisOption = getOptions[1];
-        }
-        var fontSize = getAxisOption('axisLabelFontSize');
-        y = area.y + tick[1] * area.h;
-
-        /* Tick marks are currently clipped, so don't bother drawing them.
-        context.beginPath();
-        context.moveTo(halfUp(x), halfDown(y));
-        context.lineTo(halfUp(x - sgn * this.attr_('axisTickSize')), halfDown(y));
-        context.closePath();
-        context.stroke();
-        */
-
-        label = makeDiv(tick[2], 'y', num_axes == 2 ? prec_axis : null);
-        var top = (y - fontSize / 2);
-        if (top < 0) top = 0;
-
-        if (top + fontSize + 3 > canvasHeight) {
-          label.style.bottom = '0';
-        } else {
-          label.style.top = top + 'px';
-        }
-        if (tick[0] === 0) {
-          label.style.left = (area.x - getAxisOption('axisLabelWidth') - getAxisOption('axisTickSize')) + 'px';
-          label.style.textAlign = 'right';
-        } else if (tick[0] == 1) {
-          label.style.left = (area.x + area.w +
-                              getAxisOption('axisTickSize')) + 'px';
-          label.style.textAlign = 'left';
-        }
-        label.style.width = getAxisOption('axisLabelWidth') + 'px';
-        containerDiv.appendChild(label);
-        this.ylabels_.push(label);
-      }
-
-      // The lowest tick on the y-axis often overlaps with the leftmost
-      // tick on the x-axis. Shift the bottom tick up a little bit to
-      // compensate if necessary.
-      var bottomTick = this.ylabels_[0];
-      // Interested in the y2 axis also?
-      var fontSize = g.getOptionForAxis('axisLabelFontSize', 'y');
-      var bottom = parseInt(bottomTick.style.top, 10) + fontSize;
-      if (bottom > canvasHeight - fontSize) {
-        bottomTick.style.top = (parseInt(bottomTick.style.top, 10) -
-            fontSize / 2) + 'px';
-      }
-    }
-
-    // draw a vertical line on the left to separate the chart from the labels.
-    var axisX;
-    if (g.getOption('drawAxesAtZero')) {
-      var r = g.toPercentXCoord(0);
-      if (r > 1 || r < 0 || isNaN(r)) r = 0;
-      axisX = halfUp(area.x + r * area.w);
-    } else {
-      axisX = halfUp(area.x);
-    }
-
-    context.strokeStyle = g.getOptionForAxis('axisLineColor', 'y');
-    context.lineWidth = g.getOptionForAxis('axisLineWidth', 'y');
-
-    context.beginPath();
-    context.moveTo(axisX, halfDown(area.y));
-    context.lineTo(axisX, halfDown(area.y + area.h));
-    context.closePath();
-    context.stroke();
-
-    // if there's a secondary y-axis, draw a vertical line for that, too.
-    if (g.numAxes() == 2) {
-      context.strokeStyle = g.getOptionForAxis('axisLineColor', 'y2');
-      context.lineWidth = g.getOptionForAxis('axisLineWidth', 'y2');
-      context.beginPath();
-      context.moveTo(halfDown(area.x + area.w), halfDown(area.y));
-      context.lineTo(halfDown(area.x + area.w), halfDown(area.y + area.h));
-      context.closePath();
-      context.stroke();
-    }
-  }
-
-  if (g.getOptionForAxis('drawAxis', 'x')) {
-    if (layout.xticks) {
-      var getAxisOption = makeOptionGetter('x');
-      for (i = 0; i < layout.xticks.length; i++) {
-        tick = layout.xticks[i];
-        x = area.x + tick[0] * area.w;
-        y = area.y + area.h;
-
-        /* Tick marks are currently clipped, so don't bother drawing them.
-        context.beginPath();
-        context.moveTo(halfUp(x), halfDown(y));
-        context.lineTo(halfUp(x), halfDown(y + this.attr_('axisTickSize')));
-        context.closePath();
-        context.stroke();
-        */
-
-        label = makeDiv(tick[1], 'x');
-        label.style.textAlign = 'center';
-        label.style.top = (y + getAxisOption('axisTickSize')) + 'px';
-
-        var left = (x - getAxisOption('axisLabelWidth')/2);
-        if (left + getAxisOption('axisLabelWidth') > canvasWidth) {
-          left = canvasWidth - getAxisOption('axisLabelWidth');
-          label.style.textAlign = 'right';
-        }
-        if (left < 0) {
-          left = 0;
-          label.style.textAlign = 'left';
-        }
-
-        label.style.left = left + 'px';
-        label.style.width = getAxisOption('axisLabelWidth') + 'px';
-        containerDiv.appendChild(label);
-        this.xlabels_.push(label);
-      }
-    }
-
-    context.strokeStyle = g.getOptionForAxis('axisLineColor', 'x');
-    context.lineWidth = g.getOptionForAxis('axisLineWidth', 'x');
-    context.beginPath();
-    var axisY;
-    if (g.getOption('drawAxesAtZero')) {
-      var r = g.toPercentYCoord(0, 0);
-      if (r > 1 || r < 0) r = 1;
-      axisY = halfDown(area.y + r * area.h);
-    } else {
-      axisY = halfDown(area.y + area.h);
-    }
-    context.moveTo(halfUp(area.x), axisY);
-    context.lineTo(halfUp(area.x + area.w), axisY);
-    context.closePath();
-    context.stroke();
-  }
-
-  context.restore();
-};
-
-return axes;
-})();