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Allow deselecting items with SHIFT key

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- Refactor hit detection code
This commit is contained in:
Gasim Gasimzada 2020-01-09 19:01:25 +04:00
parent 75e0a31d3c
commit 1b9572fcc0
1 changed files with 10 additions and 13 deletions
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23
src/index.tsx
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@ -775,21 +775,21 @@ export class App extends React.Component<{}, AppState> {
document.documentElement.style.cursor = `${resizeHandle}-resize`; document.documentElement.style.cursor = `${resizeHandle}-resize`;
isResizingElements = true; isResizingElements = true;
} else { } else {
// clear selection if shift is not clicked
if (!e.shiftKey) {
elements = clearSelection(elements);
}
const hitElement = getElementAtPosition(elements, x, y); const hitElement = getElementAtPosition(elements, x, y);
// If we click on something // If we click on something
if (hitElement) { if (hitElement) {
if (hitElement.isSelected) { // deselect if item is selected
// If that element is already selected, do nothing, // if shift is not clicked, this will always return true
// we're likely going to drag it // otherwise, it will trigger selection based on current
} else { // state of the box
// We unselect every other elements unless shift is pressed hitElement.isSelected = !hitElement.isSelected;
if (!e.shiftKey) {
elements = clearSelection(elements);
}
}
// No matter what, we select it // No matter what, we select it
hitElement.isSelected = true;
// We duplicate the selected element if alt is pressed on Mouse down // We duplicate the selected element if alt is pressed on Mouse down
if (e.altKey) { if (e.altKey) {
elements = [ elements = [
@ -805,9 +805,6 @@ export class App extends React.Component<{}, AppState> {
}, [] as typeof elements) }, [] as typeof elements)
]; ];
} }
} else {
// If we don't click on anything, let's remove all the selected elements
elements = clearSelection(elements);
} }
isDraggingElements = someElementIsSelected(elements); isDraggingElements = someElementIsSelected(elements);