@cds/core/internal/controllers/grid-range-selection.controller.js

Clarity Design System - common components, themes, and utilties

function t(){return t=>t.addInitializer((t=>new e(t)))}class e{constructor(t){this.host=t,this.selectionActive=!1,t.addController(this)}get enabled(){return!1!==this.host.rangeSelection&&!Array.from(this.host.rows).find((t=>t.draggable))}async hostConnected(){await this.host.updateComplete,this.setupKeyboardListeners(),this.setupMouseEvents()}setupMouseEvents(){const t=this.host.grid.shadowRoot?this.host.grid.shadowRoot:this.host.grid;t.addEventListener("mousedown",(t=>{this.enabled&&1===t.buttons&&!t.ctrlKey&&this.setFirstCell(t)})),t.addEventListener("mouseover",(t=>{this.enabled&&this.setActiveCell(t.composedPath().find((t=>Array.from(this.host.cells).includes(t))))})),t.addEventListener("mouseup",(()=>{this.enabled&&this.stopSelection()}))}setupKeyboardListeners(){this.host.addEventListener("cdsKeyChange",(t=>{this.enabled&&t.detail.code&&(this.setActiveCell(t.detail.activeItem),t.detail.shiftKey||(this.stopSelection(),this.resetAllActiveCells(),this.host.dispatchEvent(new CustomEvent("rangeSelectionChange",{detail:[]}))))})),this.host.addEventListener("keydown",(t=>{this.enabled&&"ShiftLeft"===t.code&&t.shiftKey&&!this.selectionActive&&this.setFirstCell(t)}))}setFirstCell(t){const e=t.composedPath().find((t=>Array.from(this.host.cells).includes(t)));e&&(this.firstCell=e,this.selectionActive=!0,this.resetAllActiveCells())}setActiveCell(t){t&&this.selectionActive&&(this.activeCell=t,this.calculateSelection())}stopSelection(){this.selectionActive=!1}resetAllActiveCells(){this.host.cells.forEach((t=>t.removeAttribute("highlight")))}calculateSelection(){const t=parseInt(this.firstCell.ariaColIndex),e=parseInt(this.activeCell.ariaColIndex),s=parseInt(this.firstCell.parentElement?.ariaRowIndex),i=parseInt(this.activeCell.parentElement?.ariaRowIndex);this.resetAllActiveCells(),this.host.cells.forEach((l=>{const h=parseInt(l.ariaColIndex),n=parseInt(l.parentElement?.ariaRowIndex);(t<=e&&h>=t&&h<=e||t>=e&&h<=t&&h>=e)&&(s<=i&&n>=s&&n<=i||s>=i&&n<=s&&n>=i)&&l.setAttribute("highlight","")})),this.host.dispatchEvent(new CustomEvent("rangeSelectionChange",{detail:Array.from(this.host.cells).filter((t=>t.hasAttribute("highlight")))}))}}export{e as GridRangeSelectionController,t as gridRangeSelection};
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