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Trackster: refactor so that summary_tree and Histogram modes use the same code.

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This commit is contained in:
Jeremy Goecks
2011-04-14 10:37:42 -04:00
parent ffc478709b
commit 254018a930
1 changed files with 12 additions and 34 deletions
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static/scripts/trackster.js
+12 -34
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@@ -2353,7 +2353,7 @@ extend(FeatureTrack.prototype, TiledTrack.prototype, {
}
// Drawing the summary tree (feature coverage histogram)
if ( mode === "summary_tree" ) {
if (mode === "summary_tree" || mode === "Histogram") {
// Set height of parent_element
required_height = this.summary_draw_height;
parent_element.parent().css("height", Math.max(this.height_px, required_height) + "px");
@@ -2369,44 +2369,22 @@ extend(FeatureTrack.prototype, TiledTrack.prototype, {
canvas.width = width + left_offset;
// Extra padding at top of summary tree
canvas.height = required_height + SUMMARY_TREE_TOP_PADDING;
// Paint summary tree into canvas
var painter = new painters.SummaryTreePainter( result, tile_low, tile_high, this.prefs );
var ctx = canvas.getContext("2d");
// Deal with left_offset by translating
ctx.translate( left_offset, SUMMARY_TREE_TOP_PADDING );
painter.draw( ctx, width, required_height );
return new SummaryTreeTile(tile_index, resolution, canvas, result.max);
}
// Drawing coverage histogram. This is different from summary tree because data can feature
// details, but user has requested a histogram.
if (mode === "Histogram") {
// Set height of parent_element
required_height = this.summary_draw_height;
parent_element.parent().css("height", Math.max(this.height_px, required_height) + "px");
// Add label to container div showing maximum count
// TODO: this shouldn't be done at the tile level
this.container_div.find(".yaxislabel").remove();
var max_label = $("<div />").addClass('yaxislabel');
max_label.text( result.max );
max_label.css({ position: "absolute", top: "22px", left: "10px" });
max_label.prependTo(this.container_div);
// Create canvas
var canvas = this.view.canvas_manager.new_canvas();
canvas.width = width + left_offset;
// Extra padding at top of summary tree
canvas.height = required_height + SUMMARY_TREE_TOP_PADDING;
// Paint summary tree into canvas.
var binned_data = this.get_summary_tree_data(result.data, tile_low, tile_high, 200);
if (result.max) {
binned_data.max = result.max;
// Get summary tree data if necessary and set max if there is one.
if (result.dataset_type != "summary_tree") {
var st_data = this.get_summary_tree_data(result.data, tile_low, tile_high, 200);
if (result.max) {
st_data.max = result.max;
}
result = st_data;
}
var painter = new painters.SummaryTreePainter(binned_data, tile_low, tile_high, this.prefs);
// Paint summary tree into canvas
var painter = new painters.SummaryTreePainter(result, tile_low, tile_high, this.prefs);
var ctx = canvas.getContext("2d");
// Deal with left_offset by translating
ctx.translate(left_offset, SUMMARY_TREE_TOP_PADDING);
painter.draw(ctx, width, required_height);
return new SummaryTreeTile(tile_index, resolution, canvas, binned_data.max);
return new SummaryTreeTile(tile_index, resolution, canvas, result.max);
}
// Start dealing with row-by-row tracks