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Cleanup of grapher

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This commit is contained in:
Alex Yatskov 2014-10-31 11:00:43 +09:00
parent 6e30c691a5
commit e18efdf0a2
1 changed files with 46 additions and 88 deletions
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134
client/scripts/grapher.js
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@ -97,6 +97,11 @@
return value;
};
this.include = function(range) {
this.start = Math.min(this.start, range.start);
this.end = Math.max(this.end, range.end);
};
}
@ -226,134 +231,87 @@
// Grapher
//
grapher.Grapher = function(canvas, range, columnWidth, useLocalScale, useRelativeScale) {
grapher.Grapher = function(params) {
this.setColumns = function(columns) {
this.clearColumns();
var scale = 0;
if (!useLocalScale) {
var hintData = {};
_.each(columns, function(columnValue, columnName) {
hintData[columnName] = columnValue.hints || [];
});
scale = this.getGlobalScale(hintData);
var hintData = _.pluck(columns, 'hints');
scale = this.computeGlobalScale(hintData);
}
var index = 0;
var that = this;
_.each(columns, function(columnValue, columnName) {
for (var name in columns) {
var data = columns[name];
if (useLocalScale) {
scale = that.getLocalScale(columnValue.hints);
scale = this.computeLocalScale(column.hints);
}
that.columns.push(new Column(that.canvas, columnName, columnValue, scale, that.range));
that.indexMap[columnName] = index++;
});
};
this.clearColumns = function() {
_.each(this.columns, function(column) {
column.clearShapes();
});
this.columns = [];
this.indexMap = {};
};
this.updateColumns = function(data) {
var scale = 0;
if (!this.useLocalScale) {
scale = this.getGlobalScale(hintData);
var column = this.columns[name];
if (column) {
column.update({
data: data,
scale: scale
});
}
else {
this.columns.push(new Column({
canvas: this.canvas,
data: column,
name: name,
range: this.range,
scale: scale,
}));
}
}
var that = this;
_.each(data, function(entry, name) {
if (that.useLocalScale) {
scale = that.getLocalScale(entry.hints);
}
var index = that.getColumnIndex(name);
var column = that.columns[index];
column.updateParams(entry, scale);
});
};
this.setUseLocalScale = function(useLocalScale) {
if (useLocalScale != this.useLocalScale) {
this.useLocalScale = useLocalScale;
this.invalidateHints();
this.updateColumns(this.columnData);
}
};
this.setUseRelativeScale = function(useRelativeScale) {
if (useRelativeScale != this.useRelativeScale) {
this.useRelativeScale = useRelativeScale;
this.invalidateHints();
this.updateColumns(this.columnData);
}
};
this.invalidateHints = function() {
var hintData = {};
_.each(this.columns, function(column) {
hintData[column.name] = column.hints;
});
this.setColumnHints(hintData);
};
this.setValueChangedListener = function(listener) {
_.each(this.columns, function(column) {
column.onValueChanged = listener;
});
for (var name in this.columns) {
this.columns[name].onValueChanged = listener;
}
};
this.getLocalScale = function(hints) {
this.computeLocalScale = function(hints) {
var counts = _.pluck(hints, 'count');
var min = this.useRelativeScale ? _.min(counts) : 0;
return new Range(min, _.max(counts));
};
this.getGlobalScale = function(hintData) {
var that = this;
this.computeGlobalScale = function(hintData) {
var globalScale = null;
_.each(hintData, function(hints) {
var localScale = that.getLocalScale(hints);
for (var i = 0, count = hintData.length; i < count; ++i) {
var localScale = this.computeLocalScale(hintData[i]);
if (globalScale) {
globalScale.includeRange(localScale);
globalScale.include(localScale);
}
else {
globalScale = localScale;
}
});
}
return globalScale;
};
this.getColumnCount = function() {
return this.columns.length;
};
this.getColumnIndex = function(name) {
return this.indexMap[name];
};
this.getColumnName = function(index) {
return this.columns[index].name;
};
this.getColumnNames = function() {
return _.pluck(this.columns, 'name');
};
this.useLocalScale = useLocalScale;
this.useRelativeScale = useRelativeScale;
this.columnWidth = columnWidth;
this.canvas = null;
this.range = new Range(range.min, range.max);
this.padding = 10;
this.indexMap = {};
this.columns = [];
this.canvas = params.canvas;
this.columnData = null;
this.columnPadding = 10;
this.columnRange = new Range(-1.0, 1.0);
this.columnWidth = 100;
this.columns = {};
this.useLocalScale = params.useLocalScale || true;
this.useRelativeScale = params.useRelativeScale || true;
};
}(window.grapher = window.grapher || {}));