Constrain selection to editor element when probing for range #542
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Add toggle-editable button, error display, selection display, special styles for when editing is disabled.
This fixes an issue where `Position.fromNode` would be called with a node that is outside the editor element, triggering a failed assertion. Now, Cursor constrains the selection to only include the extent inside the editor element before looking up Positions from the anchor and focus nodes. Most of the time this situation is prevented by the browser (it refuses to allow one to create a selection that crosses into or out of the contentEditable div), but when `editor.disableEditing()` is called, a user can triple-click the last part of the mobiledoc document which causes the browser (for Chrome and Safari, but not Firefox) to extend the selection *outside* the editor's element. Fixes #486 as reported by @YoranBrondsema
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released in v0.10.16 |
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This fixes an issue where
Position.fromNodewould be called with a nodethat is outside the editor element, triggering a failed assertion.
Now, Cursor constrains the selection to only include the extent inside the
editor element before looking up Positions from the anchor and focus nodes.
Most of the time this situation is prevented by the browser (it refuses to
allow one to create a selection that crosses into or out of the
contentEditable div), but when
editor.disableEditing()is called, a usercan triple-click the last part of the mobiledoc document which causes the
browser (for Chrome and Safari, but not Firefox) to extend the selection
outside the editor's element.
Fixes #486 as reported by @YoranBrondsema