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Drag'n'Drop with mouse events #252
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| As we can see from HTML/CSS, the slider is a `<div>` with a colored background, that contains a runner -- another `<div>` with `position:relative`. | ||
| Come possiamo notare dall'HTML/CSS, lo slider è un `<div>` con sfondo colorato, che contiene un altro `<div>` con `position:relative`. | ||
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| To position the runner we use `position:relative`, to provide the coordinates relative to its parent, here it's more convenient here than `position:absolute`. | ||
| Per posizionare il cursore useremo `position:relative`, per fornire le coordinate relative al genitore, ed in questo caso è meglio usarlo al posto di `position:absolute`. | ||
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| Then we implement horizontal-only Drag'n'Drop with limitation by width. | ||
| Quindi andremo a implementare il Drag'n'Drop esclusivamente orizzontale con il vincolo sulla larghezza. |
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@@ -13,7 +13,7 @@ | |
| </div> | ||
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| <script> | ||
| // ...your code... | ||
| // ...il tuo codice... | ||
| </script> | ||
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| </body> | ||
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| @@ -1,5 +1,5 @@ | ||
| To drag the element we can use `position:fixed`, it makes coordinates easier to manage. At the end we should switch it back to `position:absolute` to lay the element into the document. | ||
| Per trascinare l'elemento possiamo usare `position:fixed`, il quale semplifica la gestione delle coordinate. Alla fine dovremmo tornare ad utilizzare `position:absolute` per posizionare l'elemento all'interno del document. | ||
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| When coordinates are at window top/bottom, we use `window.scrollTo` to scroll it. | ||
| Se le coordinate sono in alto/basso rispetto alla finestra, useremo `window.scrollTo` per scrollare la pagina fino al punto desiderato. | ||
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| More details in the code, in comments. | ||
| Maggiori informazioni nel codice, tra i commenti. |
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| // Your code | ||
| // il tuo codice |
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