Namespace: AppEvents

Methods

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<static> onAddTable(nr)

When the button to add a table is clicked.

Parameters:

Name	Type	Description
nr	table_nr	Table number

Source:

• ccm.er_rel_trainer.js, line 273

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<static> onArrow(value, from, to)

When the end point of a connection between two tables is changed via a selector box.

Parameters:

Name	Type	Description
value	string	The selected value in the selector box ('', 'line' or 'arrow').
from	table_nr	Number of the table from which the connection starts.
to	table_nr	Number of the table to which the connection goes.

Source:

• ccm.er_rel_trainer.js, line 376

Example

onArrow( 'arrow', 1, 2 ) // Setting an arrow for the connection from entity table 1 to entity table 2 [E1]->[E2]

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<static> onCorrection()

When the button is clicked that allows the user to correct an incorrect solution.

Source:

• ccm.er_rel_trainer.js, line 546

---

<static> onEditTable(nr)

When the button for editing the table attributes is clicked.

Parameters:

Name	Type	Description
nr	table_nr	Table number

Source:

• ccm.er_rel_trainer.js, line 298

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<static> onFinish()

When the button that finishes the app is clicked.

Source:

• ccm.er_rel_trainer.js, line 596

---

<static> onLegend()

When the button to show the notation legend is clicked.

Source:

• ccm.er_rel_trainer.js, line 261

---

<static> onNext()

When the button that starts the next phrase is clicked.

Source:

• ccm.er_rel_trainer.js, line 578

---

<static> onNotation(value [, show_solution])

When the notation used in the ER diagram is switched.

Parameters:

Name	Type	Argument	Description
value	string		ID of the selected notation.
show_solution	boolean	<optional>	Correct solution is revealed.

Source:

• ccm.er_rel_trainer.js, line 240

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<static> onRemoveTable(nr)

When the button for removing a table is clicked.

Parameters:

Name	Type	Description
nr	table_nr	Table number

Source:

• ccm.er_rel_trainer.js, line 319

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<static> onSolution()

When the button showing the sample solution for the current phrase is clicked.

Source:

• ccm.er_rel_trainer.js, line 565

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<static> onSubmit()

When the button is clicked that allows the user to submit a solution.

Source:

• ccm.er_rel_trainer.js, line 393

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<static> onToggleBadge(table, attr, badge_nr)

When a badge of a key attribute is clicked.

Parameters:

Name	Type	Description
table	table_nr	Table number
attr	table_nr	Table that references the attribute as a foreign key.
badge_nr	number	0: NULL, 1: NOT NULL, 2: PK, 3: AK, 4: FK0, 5: FK1, 6: FK2, 7: FK3, 8: FK4

Source:

• ccm.er_rel_trainer.js, line 340