/
init.js
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/
init.js
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import OHIF from '@ohif/core';
import cornerstone from 'cornerstone-core';
import csTools from 'cornerstone-tools';
import throttle from 'lodash.throttle';
const {
onAdded,
onRemoved,
onModified,
} = OHIF.measurements.MeasurementHandlers;
const MEASUREMENT_ACTION_MAP = {
added: onAdded,
removed: onRemoved,
modified: throttle(event => {
return onModified(event);
}, 300),
};
/**
*
*
* @export
* @param {Object} servicesManager
* @param {Object} configuration
*/
export default function init({
servicesManager,
commandsManager,
configuration,
}) {
const {
UIContextMenuService,
UILabellingFlowService,
} = servicesManager.services;
// TODO: MEASUREMENT_COMPLETED (not present in initial implementation)
const onMeasurementsChanged = (action, event) => {
return MEASUREMENT_ACTION_MAP[action](event);
};
const onMeasurementAdded = onMeasurementsChanged.bind(this, 'added');
const onMeasurementRemoved = onMeasurementsChanged.bind(this, 'removed');
const onMeasurementModified = onMeasurementsChanged.bind(this, 'modified');
const onLabelmapModified = onMeasurementsChanged.bind(
this,
'labelmapModified'
);
const onRightClick = event => {
if (UIContextMenuService) {
UIContextMenuService.show({ event: event.detail });
}
};
const onTouchPress = event => {
if (UIContextMenuService) {
UIContextMenuService.show({
event: event.detail,
props: {
isTouchEvent: true,
},
});
}
};
const onTouchStart = () => resetLabelligAndContextMenu();
const onMouseClick = () => resetLabelligAndContextMenu();
const resetLabelligAndContextMenu = () => {
if (UILabellingFlowService && UIContextMenuService) {
UILabellingFlowService.hide();
UIContextMenuService.hide();
}
};
// TODO: This makes scrolling painfully slow
// const onNewImage = ...
/*
* Because click gives us the native "mouse up", buttons will always be `0`
* Need to fallback to event.which;
*
*/
const handleClick = cornerstoneMouseClickEvent => {
const mouseUpEvent = cornerstoneMouseClickEvent.detail.event;
const isRightClick = mouseUpEvent.which === 3;
if (isRightClick) {
onRightClick(cornerstoneMouseClickEvent);
} else {
onMouseClick(cornerstoneMouseClickEvent);
}
};
function elementEnabledHandler(evt) {
const element = evt.detail.element;
element.addEventListener(
csTools.EVENTS.MEASUREMENT_ADDED,
onMeasurementAdded
);
element.addEventListener(
csTools.EVENTS.MEASUREMENT_REMOVED,
onMeasurementRemoved
);
element.addEventListener(
csTools.EVENTS.MEASUREMENT_MODIFIED,
onMeasurementModified
);
element.addEventListener(
csTools.EVENTS.LABELMAP_MODIFIED,
onLabelmapModified
);
element.addEventListener(csTools.EVENTS.TOUCH_PRESS, onTouchPress);
element.addEventListener(csTools.EVENTS.MOUSE_CLICK, handleClick);
element.addEventListener(csTools.EVENTS.TOUCH_START, onTouchStart);
// TODO: This makes scrolling painfully slow
// element.addEventListener(cornerstone.EVENTS.NEW_IMAGE, onNewImage);
}
function elementDisabledHandler(evt) {
const element = evt.detail.element;
element.removeEventListener(
csTools.EVENTS.MEASUREMENT_ADDED,
onMeasurementAdded
);
element.removeEventListener(
csTools.EVENTS.MEASUREMENT_REMOVED,
onMeasurementRemoved
);
element.removeEventListener(
csTools.EVENTS.MEASUREMENT_MODIFIED,
onMeasurementModified
);
element.removeEventListener(
csTools.EVENTS.LABELMAP_MODIFIED,
onLabelmapModified
);
element.removeEventListener(csTools.EVENTS.TOUCH_PRESS, onTouchPress);
element.removeEventListener(csTools.EVENTS.MOUSE_CLICK, handleClick);
element.removeEventListener(csTools.EVENTS.TOUCH_START, onTouchStart);
// TODO: This makes scrolling painfully slow
// element.removeEventListener(cornerstone.EVENTS.NEW_IMAGE, onNewImage);
}
cornerstone.events.addEventListener(
cornerstone.EVENTS.ELEMENT_ENABLED,
elementEnabledHandler
);
cornerstone.events.addEventListener(
cornerstone.EVENTS.ELEMENT_DISABLED,
elementDisabledHandler
);
}