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feature(option): maintain aspect ratio #531

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feature(option): maintain aspect ratio #531

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8 changes: 8 additions & 0 deletions src/jquery.gridster.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
min_rows: 15,
max_size_x: false,
autogrow_cols: false,
maintain_aspect_ratio: false,
autogenerate_stylesheet: true,
avoid_overlapped_widgets: true,
auto_init: true,
Expand Down Expand Up @@ -1332,6 +1333,7 @@
var max_size_y = this.resize_max_size_y;
var min_size_y = this.resize_min_size_y;
var autogrow = this.options.autogrow_cols;
var maintainAspect = this.options.maintain_aspect_ratio;
var width;
var max_width = Infinity;
var max_height = Infinity;
Expand All @@ -1356,6 +1358,12 @@
max_height = (max_size_y * wbd_y) + ((size_y - 1) * margin_y * 2);
min_height = (min_size_y * wbd_y) + ((size_y - 1) * margin_y * 2);

if(maintainAspect)
{
var ratio = this.resize_initial_sizex / this.resize_initial_sizey;
size_y > size_x ? (size_x = size_y / ratio) : (size_y = size_x / ratio);
}

if (this.resize_dir.right) {
size_y = this.resize_initial_sizey;
} else if (this.resize_dir.bottom) {
Expand Down