Adding and removing cards from a tree
Adding cards...
There are several ways to add or remove cards from a tree.
Using the card explorer
The card explorer allows you to quickly find cards and add them to a tree.
- Cards which are already in the tree appear in the explorer grayed out.
- Cards not already in the tree appear colored by card type, and can be selected and dragged into the tree
You can filter the cards that appear in the explorer by adding filter conditions just as you do for the tree filter described above.
To add cards to the tree
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Center the tree view onto the card you want to use as the parent for the new cards. If the cards are of the top level type, then you should drop them onto the tree root

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Select one or more cards in the explorer list
- To select a single card, just left click on it anywhere and you can drag it.
- To select multiple cards, check the box next to each card and then left click inside any one of them to drag the set.
- You can use the Select All / None links to select all or none of the available cards in the list.

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Drag the selected cards onto the tree view, and drop them on the chosen parent card.
If you attempt to drop the new cards onto a card type which cannot act as a parent for all of the selected cards, Mingle will display an error message at the top of the page and the cards will not be added to the tree.

The newly added cards will have the relationship properties set to refer to their parent card in the tree, and any aggregate properties defined on that tree will be recalculated in the background.
From a card view...
You can add a card to a tree by selecting a parent card in the appropriate relationship property. The relationship properties for a tree are grouped in a named box in the card view.
Unlike other card properties, when you click on the relationship property, you are presented with a popup list showing all available parent cards. These parent cards are the cards of the appropriate type that are already in the tree, so if you don't see the one you're looking for - it may not yet have been added to the tree itself.
Click on the story you want and Mingle will return you to the card view.
In bulk edit mode...
In bulk edit mode you can change relationship properties, allowing you to add a number of cards to a single parent in a tree in one action.
Click here to learn more about bulk edit mode.
Removing cards...
To remove cards from a tree, you must first view the tree in tree view mode.
Cards can then be removed by clicking on the
in the top right corner of the card image.
You can use the card locater to quickly scroll the tree view to the card you're looking for.
Once a card has been added to a tree, changing the relationship properties to (not set) will not remove it from the tree. Instead it will move to be directly associated with the root node of the tree (no parent). To remove a card from a tree, you must view use the remove button in the tree view as described above.