mirror of https://github.com/sveltejs/svelte
52 lines
1.1 KiB
52 lines
1.1 KiB
<button use:tooltip="tooltip">action</button>
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<svelte:window on:keydown="checkForCtrl(event)" on:keyup="checkForCtrl(event)"/>
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<script>
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export default {
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data() {
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return { tooltip: 'Perform an Action' };
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},
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methods: {
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checkForCtrl(event) {
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if (event.ctrlKey) {
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this.set({ tooltip: 'Perform an augmented Action' });
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} else {
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this.set({ tooltip: 'Perform an Action' });
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}
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}
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},
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actions: {
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tooltip(node, text) {
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let tooltip = null;
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function onMouseEnter() {
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tooltip = document.createElement('div');
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tooltip.classList.add('tooltip');
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tooltip.textContent = text;
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node.parentNode.appendChild(tooltip);
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}
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function onMouseLeave() {
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if (!tooltip) return;
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tooltip.remove();
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tooltip = null;
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}
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node.addEventListener('mouseenter', onMouseEnter);
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node.addEventListener('mouseleave', onMouseLeave);
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return {
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update(text) {
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if (tooltip) tooltip.textContent = text;
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},
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destroy() {
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node.removeEventListener('mouseenter', onMouseEnter);
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node.removeEventListener('mouseleave', onMouseLeave);
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}
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}
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}
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}
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}
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</script> |