Peter Stuifzand
08eca99c16
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continuous-integration/drone/push Build is passing
70 lines
1.4 KiB
JavaScript
70 lines
1.4 KiB
JavaScript
// consecutive for now
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function createSelection() {
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let first = -1;
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let last = -1;
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return {
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reset() {
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first = -1
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last = -1
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},
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/**
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* @param {int} f
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* @param {Store} store
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*/
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selectOne(f, store) {
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if (f > last) {
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last = first
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}
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first = f
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last = first + 1
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},
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selectNothing(f) {
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first = f
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last = f
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},
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remove(store) {
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store.remove(first, last - first)
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},
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hasSelection() {
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return first >= 0 && last >= 0 && first !== last
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},
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isSelected(line) {
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return first >= 0 && last >= 0 && line >= first && line < last
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},
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isSelectedFirst(line) {
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return first >= 0 && last >= 0 && line === first && line < last
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},
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isSelectedLast(line) {
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return first >= 0 && last >= 0 && line >= first && line < last && line + 1 === last
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},
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indent(store, dir) {
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store.indent(first, last - first, dir)
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},
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/**
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* @param {int} index
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* @param store
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*/
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include(index, store) {
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first = Math.min(first, index)
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last = Math.max(last, index + 1);
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},
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debug() {
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return {first, last}
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}
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};
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}
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export default createSelection
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