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Inserting nodes to dropping position #39

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Merged
merged 3 commits into from
Jan 5, 2019
Merged

Inserting nodes to dropping position #39

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36fe1eb
carve out `insert` methods
shibukk Dec 10, 2018
4cf1aeb
add demo to insert by dragging
shibukk Dec 10, 2018
8e819fa
fix README.md
shibukk Dec 10, 2018
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carve out insert methods
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@shibukk
shibukk committed Dec 10, 2018
commit 36fe1eba3ecaf0de149f1a5092e335a53e309660
42 changes: 27 additions & 15 deletions src/sl-vue-tree.js
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Original file line number Diff line number Diff line change
Expand Up @@ -589,21 +589,7 @@ export default {
}

// insert dragging nodes to the new place
const destNode = this.cursorPosition.node;
const destSiblings = this.getNodeSiblings(newNodes, destNode.path);
const destNodeModel = destSiblings[destNode.ind];

if (this.cursorPosition.placement === 'inside') {
destNodeModel.children = destNodeModel.children || [];
destNodeModel.children.unshift(...nodeModelsToInsert);
} else {
const insertInd = this.cursorPosition.placement === 'before' ?
destNode.ind :
destNode.ind + 1;

destSiblings.splice(insertInd, 0, ...nodeModelsToInsert);
}

this.insertModels(this.cursorPosition, nodeModelsToInsert, newNodes);


// delete dragging node from the old place
Expand Down Expand Up @@ -740,6 +726,32 @@ export default {
this.emitInput(newNodes);
},

insertModels(cursorPosition, nodeModels, newNodes) {
const destNode = cursorPosition.node;
const destSiblings = this.getNodeSiblings(newNodes, destNode.path);
const destNodeModel = destSiblings[destNode.ind];

if (cursorPosition.placement === 'inside') {
destNodeModel.children = destNodeModel.children || [];
destNodeModel.children.unshift(...nodeModels);
} else {
const insertInd = cursorPosition.placement === 'before' ?
destNode.ind :
destNode.ind + 1;

destSiblings.splice(insertInd, 0, ...nodeModels);
}
},

insert(cursorPosition, nodeModel) {
const nodeModels = Array.isArray(nodeModel) ? nodeModel : [nodeModel];
const newNodes = this.copy(this.currentValue);

this.insertModels(cursorPosition, nodeModels, newNodes);

this.emitInput(newNodes);
},

checkNodeIsParent(sourceNode, destNode) {
const destPath = destNode.path;
return JSON.stringify(destPath.slice(0, sourceNode.path.length)) == sourceNode.pathStr;
Expand Down