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Rewrite of moveBlock to better reflect Blockly

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This commit is contained in:
Tim Mickel 2016-06-06 14:54:45 -04:00
parent 214daa8087
commit aa152fd604
1 changed files with 25 additions and 24 deletions
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49
src/engine/runtime.js
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@ -121,34 +121,35 @@ Runtime.prototype.changeBlock = function (args) {
Runtime.prototype.moveBlock = function (e) {
var _this = this;
// Block was removed from parent
if (e.newParent === undefined && e.oldParent !== undefined) {
_this.addStack(e.id);
// Update old parent
if (e.oldField === undefined) {
_this.blocks[e.oldParent].next = null;
} else {
delete _this.blocks[e.oldParent].fields[e.oldField];
// Remove from any old parent.
if (e.oldParent !== undefined) {
var oldParent = _this.blocks[e.oldParent];
if (e.oldInput !== undefined &&
oldParent.inputs[e.oldInput].block === e.id) {
// This block was connected to the old parent's input.
oldParent.inputs[e.oldInput].block = null;
} else if (oldParent.next === e.id) {
// This block was connected to the old parent's next connection.
oldParent.next = null;
}
}
} else if (e.newParent !== undefined) {
// Block was moved to a new parent
// Either happens because it was previously parentless
// (e.oldParent === undefined)
// or because a block was moved in front of it.
// Remove stack
_this._deleteStack(e.id);
// Update new parent
if (e.newField === undefined) {
_this.blocks[e.newParent].next = e.id;
// Has the block become a top-level block?
if (e.newParent === undefined) {
_this._addStack(e.id);
} else {
_this.blocks[e.newParent].fields[e.newField] = {
name: e.newField,
value: e.id,
blocks: {}
// Remove stack, if one exists.
_this._deleteStack(e.id);
// Otherwise, try to connect it in its new place.
if (e.newInput !== undefined) {
// Moved to the new parent's input.
_this.blocks[e.newParent].inputs[e.newInput] = {
name: e.newInput,
block: e.id
};
} else {
// Moved to the new parent's next connection.
_this.blocks[e.newParent].next = e.id;
}
}
};