@quartic/bokehjs
Version:
Interactive, novel data visualization
77 lines (76 loc) • 3.13 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var document, extend = function (child, parent) { for (var key in parent) {
if (hasProp.call(parent, key))
child[key] = parent[key];
} function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; }, hasProp = {}.hasOwnProperty;
var gesture_tool_1 = require("./gesture_tool");
var zoom_1 = require("core/util/zoom");
var p = require("core/properties");
if (typeof document === "undefined" || document === null) {
document = {};
}
exports.WheelZoomToolView = (function (superClass) {
extend(WheelZoomToolView, superClass);
function WheelZoomToolView() {
return WheelZoomToolView.__super__.constructor.apply(this, arguments);
}
WheelZoomToolView.prototype._pinch = function (e) {
var delta;
if (e.scale >= 1) {
delta = (e.scale - 1) * 20.0;
}
else {
delta = -20.0 / e.scale;
}
e.bokeh.delta = delta;
return this._scroll(e);
};
WheelZoomToolView.prototype._scroll = function (e) {
var dims, factor, frame, h_axis, hr, v_axis, vr, vx, vy, zoom_info;
frame = this.plot_model.frame;
hr = frame.h_range;
vr = frame.v_range;
vx = this.plot_view.canvas.sx_to_vx(e.bokeh.sx);
vy = this.plot_view.canvas.sy_to_vy(e.bokeh.sy);
dims = this.model.dimensions;
h_axis = (dims === 'width' || dims === 'both') && (hr.min < vx && vx < hr.max);
v_axis = (dims === 'height' || dims === 'both') && (vr.min < vy && vy < vr.max);
factor = this.model.speed * e.bokeh.delta;
zoom_info = zoom_1.scale_range(frame, factor, h_axis, v_axis, {
x: vx,
y: vy
});
this.plot_view.push_state('wheel_zoom', {
range: zoom_info
});
this.plot_view.update_range(zoom_info, false, true);
this.plot_view.interactive_timestamp = Date.now();
return null;
};
return WheelZoomToolView;
})(gesture_tool_1.GestureToolView);
exports.WheelZoomTool = (function (superClass) {
extend(WheelZoomTool, superClass);
function WheelZoomTool() {
return WheelZoomTool.__super__.constructor.apply(this, arguments);
}
WheelZoomTool.prototype.default_view = exports.WheelZoomToolView;
WheelZoomTool.prototype.type = "WheelZoomTool";
WheelZoomTool.prototype.tool_name = "Wheel Zoom";
WheelZoomTool.prototype.icon = "bk-tool-icon-wheel-zoom";
WheelZoomTool.prototype.event_type = ('ontouchstart' in window || navigator.maxTouchPoints > 0) ? 'pinch' : 'scroll';
WheelZoomTool.prototype.default_order = 10;
WheelZoomTool.getters({
tooltip: function () {
return this._get_dim_tooltip(this.tool_name, this.dimensions);
}
});
WheelZoomTool.define({
dimensions: [p.Dimensions, "both"]
});
WheelZoomTool.internal({
speed: [p.Number, 1 / 600]
});
return WheelZoomTool;
})(gesture_tool_1.GestureTool);