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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | 1x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 2x 1x 2x 2x 2x 1x 1x 2x 4x 4x 4x 1x 4x 4x 4x 4x 1x | import macro from 'vtk.js/Sources/macros';
import style from 'vtk.js/Sources/Interaction/UI/CornerAnnotation/CornerAnnotation.module.css';
function noOp() {}
const KEY_MAPPING = {
nw: 'northWestContainer',
n: 'northContainer',
ne: 'northEastContainer',
w: 'westContainer',
e: 'eastContainer',
sw: 'southWestContainer',
s: 'southContainer',
se: 'southEastContainer',
};
// ----------------------------------------------------------------------------
// Static helpers
// ----------------------------------------------------------------------------
function get(path, obj, fb = `$\{${path}}`) {
return path
.split('.')
.reduce((res, key) => (res[key] !== undefined ? res[key] : fb), obj);
}
/* from https://gist.github.com/smeijer/6580740a0ff468960a5257108af1384e */
function applyTemplate(template, map, fallback) {
return template.replace(/\${([^{]+)}/g, (match) => {
const path = match.substr(2, match.length - 3).trim();
return get(path, map, fallback);
});
}
// ----------------------------------------------------------------------------
// vtkCornerAnnotation methods
// ----------------------------------------------------------------------------
function vtkCornerAnnotation(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkCornerAnnotation');
// Create instance specific container
if (!model.templates) {
model.templates = {};
}
if (!model.metadata) {
model.metadata = {};
}
model.annotationContainer = document.createElement('div');
model.annotationContainer.setAttribute('class', style.container);
model.annotationContainer.innerHTML = `
<div class="${style.topRow}">
<div class="js-nw ${style.northWest}"></div>
<div class="js-n ${style.north}"></div>
<div class="js-ne ${style.northEast}"></div>
</div>
<div class="${style.middleRow}">
<div class="js-w ${style.west}"></div>
<div class="js-e ${style.east}"></div>
</div>
<div class="${style.bottomRow}">
<div class="js-sw ${style.southWest}"></div>
<div class="js-s ${style.south}"></div>
<div class="js-se ${style.southEast}"></div>
</div>`;
// Extract various containers
model.northWestContainer = model.annotationContainer.querySelector('.js-nw');
model.northContainer = model.annotationContainer.querySelector('.js-n');
model.northEastContainer = model.annotationContainer.querySelector('.js-ne');
model.westContainer = model.annotationContainer.querySelector('.js-w');
model.eastContainer = model.annotationContainer.querySelector('.js-e');
model.southWestContainer = model.annotationContainer.querySelector('.js-sw');
model.southContainer = model.annotationContainer.querySelector('.js-s');
model.southEastContainer = model.annotationContainer.querySelector('.js-se');
// --------------------------------------------------------------------------
// Private methods
// --------------------------------------------------------------------------
function updateAnnotations() {
const keys = Object.keys(model.templates);
let count = keys.length;
while (count--) {
const el = model[KEY_MAPPING[keys[count]]];
const fn = model.templates[keys[count]];
if (el && fn) {
el.innerHTML = fn(model.metadata);
}
}
}
// --------------------------------------------------------------------------
publicAPI.setContainer = (el) => {
if (model.container && model.container !== el) {
model.container.removeChild(model.annotationContainer);
}
if (model.container !== el) {
model.container = el;
if (model.container) {
model.container.appendChild(model.annotationContainer);
publicAPI.resize();
}
publicAPI.modified();
}
};
publicAPI.resize = noOp;
publicAPI.updateTemplates = (templates) => {
model.templates = Object.assign(model.templates, templates);
updateAnnotations();
publicAPI.modified();
};
publicAPI.updateMetadata = (metadata) => {
model.metadata = Object.assign(model.metadata, metadata);
updateAnnotations();
publicAPI.modified();
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
templates: null,
metadata: null,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Object methods
macro.obj(publicAPI, model);
macro.get(publicAPI, model, [
'annotationContainer',
'northWestContainer',
'northContainer',
'northEastContainer',
'westContainer',
'eastContainer',
'southWestContainer',
'southContainer',
'southEastContainer',
'metadata',
]);
// Object specific methods
vtkCornerAnnotation(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkCornerAnnotation');
// ----------------------------------------------------------------------------
export default { newInstance, extend, applyTemplate };
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