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Fix rotated tick text - #1012

pull/1069/merge
Masayuki Tanaka 10 years ago
parent
dc50b136de
commit
edec7ecaf1
6 changed files with 85 additions and 69 deletions
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  1. 71
      c3.js
  2. 8
      c3.min.js
  3. 4
      spec/axis-spec.js
  4. 34
      src/axis.js
  5. 35
      src/c3.axis.js
  6. 2
      src/size.js

71
c3.js
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@ -2661,7 +2661,7 @@
if (axisId === 'y2' && !config.axis_y2_show) { return $$.rotated_padding_top; }
// Calculate x axis height when tick rotated
if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {
h = $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
}
return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0);
};
@ -4171,13 +4171,14 @@
.attr("transform", config.axis_rotated ? "" : "rotate(-90)")
.style("text-anchor", this.textAnchorForY2AxisLabel.bind(this));
};
Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition) {
Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
var $$ = this.owner, config = $$.config,
axisParams = {
isCategory: $$.isCategorized(),
withOuterTick: withOuterTick,
tickMultiline: config.axis_x_tick_multiline,
tickWidth: config.axis_x_tick_width,
tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate,
withoutTransition: withoutTransition,
},
axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient);
@ -4397,21 +4398,6 @@
var $$ = this.owner;
return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.xForRotatedTickText = function xForRotatedTickText(r) {
return 8 * Math.sin(Math.PI * (r / 180));
};
Axis.prototype.yForRotatedTickText = function yForRotatedTickText(r) {
return 11.5 - 2.5 * (r / 15) * (r > 0 ? 1 : -1);
};
Axis.prototype.rotateTickText = function rotateTickText(axis, transition, rotate) {
axis.selectAll('.tick text')
.style("text-anchor", rotate > 0 ? "start" : "end");
transition.selectAll('.tick text')
.attr("y", this.yForRotatedTickText(rotate))
.attr("transform", "rotate(" + rotate + ")")
.selectAll('tspan')
.attr('dx', this.xForRotatedTickText(rotate));
};
Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) {
var $$ = this.owner, config = $$.config,
maxWidth = 0, targetsToShow, scale, axis, body, svg;
@ -4428,21 +4414,18 @@
axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues);
} else {
scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues);
axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true);
this.updateXAxisTickValues(targetsToShow, axis);
}
body = $$.d3.select('body').classed('c3', true);
svg = body.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0),
svg.append('g').call(axis).each(function () {
$$.d3.select(this).selectAll('text tspan').each(function () {
$$.d3.select(this).selectAll('text').each(function () {
var box = this.getBoundingClientRect();
if (maxWidth < box.width) { maxWidth = box.width; }
});
});
// TODO: time lag to get maxWidth
window.setTimeout(function () {
svg.remove();
}, 100);
});
body.classed('c3', false);
}
$$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;
@ -4521,7 +4504,7 @@
};
};
Axis.prototype.redraw = function redraw(transitions, isHidden) {
var $$ = this.owner, config = $$.config;
var $$ = this.owner;
$$.axes.x.style("opacity", isHidden ? 0 : 1);
$$.axes.y.style("opacity", isHidden ? 0 : 1);
$$.axes.y2.style("opacity", isHidden ? 0 : 1);
@ -4530,11 +4513,6 @@
transitions.axisY.call($$.yAxis);
transitions.axisY2.call($$.y2Axis);
transitions.axisSubX.call($$.subXAxis);
// rotate tick text if needed
if (!config.axis_rotated && config.axis_x_tick_rotate) {
this.rotateTickText($$.axes.x, transitions.axisX, config.axis_x_tick_rotate);
this.rotateTickText($$.axes.subx, transitions.axisSubX, config.axis_x_tick_rotate);
}
};
c3_chart_internal_fn.getClipPath = function (id) {
@ -6850,6 +6828,33 @@
tspan.exit().remove();
tspan.text(function (d) { return d.splitted; });
var rotate = params.tickTextRotate;
function textAnchorForText(rotate) {
if (!rotate) {
return 'middle';
}
return rotate > 0 ? "start" : "end";
}
function textTransform(rotate) {
if (!rotate) {
return '';
}
return "rotate(" + rotate + ")";
}
function dxForText(rotate) {
if (!rotate) {
return 0;
}
return 8 * Math.sin(Math.PI * (rotate / 180));
}
function yForText(rotate) {
if (!rotate) {
return tickLength;
}
return 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1);
}
switch (orient) {
case "bottom":
{
@ -6857,14 +6862,16 @@
lineEnter.attr("y2", innerTickSize);
textEnter.attr("y", tickLength);
lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
textUpdate.attr("x", 0).attr("y", tickLength);
text.style("text-anchor", "middle");
tspan.attr('x', 0).attr("dy", tspanDy);
textUpdate.attr("x", 0).attr("y", yForText(rotate))
.style("text-anchor", textAnchorForText(rotate))
.attr("transform", textTransform(rotate));
tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate));
pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
break;
}
case "top":
{
// TODO: rotated tick text
tickTransform = axisX;
lineEnter.attr("y2", -innerTickSize);
textEnter.attr("y", -tickLength);

8
c3.min.js vendored
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4
spec/axis-spec.js
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@ -562,8 +562,10 @@ describe('c3 chart axis', function () {
});
it('should have automatically calculated x axis height', function () {
var box = chart.internal.main.select('.c3-axis-x').node().getBoundingClientRect();
var box = chart.internal.main.select('.c3-axis-x').node().getBoundingClientRect(),
height = chart.internal.getHorizontalAxisHeight('x');
expect(box.height).toBeGreaterThan(50);
expect(height).toBeCloseTo(70, -1);
});
});

34
src/axis.js
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@ -36,13 +36,14 @@ Axis.prototype.init = function init() {
.attr("transform", config.axis_rotated ? "" : "rotate(-90)")
.style("text-anchor", this.textAnchorForY2AxisLabel.bind(this));
};
Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition) {
Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
var $$ = this.owner, config = $$.config,
axisParams = {
isCategory: $$.isCategorized(),
withOuterTick: withOuterTick,
tickMultiline: config.axis_x_tick_multiline,
tickWidth: config.axis_x_tick_width,
tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate,
withoutTransition: withoutTransition,
},
axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient);
@ -262,21 +263,6 @@ Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() {
var $$ = this.owner;
return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.xForRotatedTickText = function xForRotatedTickText(r) {
return 8 * Math.sin(Math.PI * (r / 180));
};
Axis.prototype.yForRotatedTickText = function yForRotatedTickText(r) {
return 11.5 - 2.5 * (r / 15) * (r > 0 ? 1 : -1);
};
Axis.prototype.rotateTickText = function rotateTickText(axis, transition, rotate) {
axis.selectAll('.tick text')
.style("text-anchor", rotate > 0 ? "start" : "end");
transition.selectAll('.tick text')
.attr("y", this.yForRotatedTickText(rotate))
.attr("transform", "rotate(" + rotate + ")")
.selectAll('tspan')
.attr('dx', this.xForRotatedTickText(rotate));
};
Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) {
var $$ = this.owner, config = $$.config,
maxWidth = 0, targetsToShow, scale, axis, body, svg;
@ -293,21 +279,18 @@ Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute)
axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues);
} else {
scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues);
axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true);
this.updateXAxisTickValues(targetsToShow, axis);
}
body = $$.d3.select('body').classed('c3', true);
svg = body.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0),
svg.append('g').call(axis).each(function () {
$$.d3.select(this).selectAll('text tspan').each(function () {
$$.d3.select(this).selectAll('text').each(function () {
var box = this.getBoundingClientRect();
if (maxWidth < box.width) { maxWidth = box.width; }
});
});
// TODO: time lag to get maxWidth
window.setTimeout(function () {
svg.remove();
}, 100);
});
body.classed('c3', false);
}
$$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;
@ -386,7 +369,7 @@ Axis.prototype.generateTransitions = function generateTransitions(duration) {
};
};
Axis.prototype.redraw = function redraw(transitions, isHidden) {
var $$ = this.owner, config = $$.config;
var $$ = this.owner;
$$.axes.x.style("opacity", isHidden ? 0 : 1);
$$.axes.y.style("opacity", isHidden ? 0 : 1);
$$.axes.y2.style("opacity", isHidden ? 0 : 1);
@ -395,9 +378,4 @@ Axis.prototype.redraw = function redraw(transitions, isHidden) {
transitions.axisY.call($$.yAxis);
transitions.axisY2.call($$.y2Axis);
transitions.axisSubX.call($$.subXAxis);
// rotate tick text if needed
if (!config.axis_rotated && config.axis_x_tick_rotate) {
this.rotateTickText($$.axes.x, transitions.axisX, config.axis_x_tick_rotate);
this.rotateTickText($$.axes.subx, transitions.axisSubX, config.axis_x_tick_rotate);
}
};

35
src/c3.axis.js
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@ -174,6 +174,33 @@ function c3_axis(d3, params) {
tspan.exit().remove();
tspan.text(function (d) { return d.splitted; });
var rotate = params.tickTextRotate;
function textAnchorForText(rotate) {
if (!rotate) {
return 'middle';
}
return rotate > 0 ? "start" : "end";
}
function textTransform(rotate) {
if (!rotate) {
return '';
}
return "rotate(" + rotate + ")";
}
function dxForText(rotate) {
if (!rotate) {
return 0;
}
return 8 * Math.sin(Math.PI * (rotate / 180));
}
function yForText(rotate) {
if (!rotate) {
return tickLength;
}
return 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1);
}
switch (orient) {
case "bottom":
{
@ -181,14 +208,16 @@ function c3_axis(d3, params) {
lineEnter.attr("y2", innerTickSize);
textEnter.attr("y", tickLength);
lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
textUpdate.attr("x", 0).attr("y", tickLength);
text.style("text-anchor", "middle");
tspan.attr('x', 0).attr("dy", tspanDy);
textUpdate.attr("x", 0).attr("y", yForText(rotate))
.style("text-anchor", textAnchorForText(rotate))
.attr("transform", textTransform(rotate));
tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate));
pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
break;
}
case "top":
{
// TODO: rotated tick text
tickTransform = axisX;
lineEnter.attr("y2", -innerTickSize);
textEnter.attr("y", -tickLength);

2
src/size.js
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@ -94,7 +94,7 @@ c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
if (axisId === 'y2' && !config.axis_y2_show) { return $$.rotated_padding_top; }
// Calculate x axis height when tick rotated
if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {
h = $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
}
return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0);
};

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