BookStack Code Mirror - bookstack/blob - resources/js/editor/commands.js

   1 /**
   2  * @param {String} attrName
   3  * @param {String} attrValue
   4  * @return {PmCommandHandler}
   5  */
   6 export function setBlockAttr(attrName, attrValue) {
   7     return function (state, dispatch) {
   8         const ref = state.selection;
   9         const from = ref.from;
  10         const to = ref.to;
  11         let applicable = false;
  12
  13         state.doc.nodesBetween(from, to, function (node, pos) {
  14             if (applicable) {
  15                 return false
  16             }
  17             if (!node.isTextblock || node.attrs[attrName] === attrValue) {
  18                 return
  19             }
  20
  21             applicable = node.attrs[attrName] !== undefined;
  22         });
  23
  24         if (!applicable) {
  25             return false
  26         }
  27
  28         if (dispatch) {
  29             const tr = state.tr;
  30             tr.doc.nodesBetween(from, to, function (node, pos) {
  31                 const nodeAttrs = Object.assign({}, node.attrs);
  32                 if (node.attrs[attrName] !== undefined) {
  33                     nodeAttrs[attrName] = attrValue;
  34                     tr.setBlockType(pos, pos + 1, node.type, nodeAttrs)
  35                 }
  36             });
  37
  38             dispatch(tr);
  39         }
  40
  41         return true
  42     }
  43 }
  44
  45 /**
  46  * @param {PmNodeType} blockType
  47  * @return {PmCommandHandler}
  48  */
  49 export function insertBlockBefore(blockType) {
  50     return function (state, dispatch) {
  51         const startPosition = state.selection.$from.before(1);
  52
  53         if (dispatch) {
  54             dispatch(state.tr.insert(startPosition, blockType.create()));
  55         }
  56
  57         return true
  58     }
  59 }
  60
  61 /**
  62  * @return {PmCommandHandler}
  63  */
  64 export function removeMarks() {
  65     return function (state, dispatch) {
  66         if (dispatch) {
  67             dispatch(state.tr.removeMark(state.selection.from, state.selection.to, null));
  68         }
  69         return true;
  70     }
  71 }