PaletteController (NetBeans Palette API) - NetBeans API Javadoc 5.5.0

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org.netbeans.spi.palette/1 1.6.1

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org.netbeans.spi.palette
Class PaletteController

java.lang.Object
  org.netbeans.spi.palette.PaletteController

public final class PaletteController
extends Object
extends Object

PaletteController provides access to data in the palette. If an instance of this class is in the Lookup of any TopComponent then the palette window opens and displays a new content when that TopComponent opens/activates.
Use PaletteFactory to construct a new instance of this class.

There's a number of attributes that can override the default palette behavior. If the palette data are defined in the layers then the palette looks for attributes of the folders and files (FileObject.getAttribute). If the palette data are defined as Nodes then the attributes are extracted using Node.getValue.

User can override attribute values in palette's user interface. Attribute values are persisted and restored after IDE restarts.

Field Summary

static String ATTR_HELP_ID
          Use this attribut for palette's root, category or item to specify its help id.

static String ATTR_ICON_SIZE
          Item icon size.

static String ATTR_IS_EXPANDED
          "true" if palette category is expanded, "false" if category is collapsed.

static String ATTR_IS_READONLY
          "true" if the category or item cannot be removed, "false" otherwise.

static String ATTR_IS_VISIBLE
          "true" if palette category or item is visible in the palette, "false" if the category or item is visible in palette customizer only.

static String ATTR_ITEM_WIDTH
          The width of palette items in pixels, if this attribute is set to -1 or is missing then the item width will be calculated dynamically depending on the length of item display names and may differ for each category (therefore each category may have a different number of columns).

static String ATTR_SHOW_ITEM_NAMES
          "true" to show item names in the palette panel, "false" to show item icons only.

static DataFlavor ITEM_DATA_FLAVOR
          DataFlavor of palette items dragged from palette to editor.

static String PROP_SELECTED_ITEM
          Palette clients should listen to changes of this property if they want to notified when the selected item in palette has changed.

Method Summary

void addPropertyChangeListener(PropertyChangeListener listener)


void clearSelection()
          Clear selection in palette (i.e.

Lookup getRoot()


Lookup getSelectedCategory()


Lookup getSelectedItem()


void refresh()
          Refresh the list of categories and items, e.g.

void removePropertyChangeListener(PropertyChangeListener listener)


void setSelectedItem(Lookup category, Lookup item)
          Select a new item in the palette window.

void showCustomizer()
          Open the default Palette Manager window to allow user to customize palette's contents, especially add/import new items to palette.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Summary
`static String`	`ATTR_HELP_ID` Use this attribut for palette's root, category or item to specify its help id.
`static String`	`ATTR_ICON_SIZE` Item icon size.
`static String`	`ATTR_IS_EXPANDED` "true" if palette category is expanded, "false" if category is collapsed.
`static String`	`ATTR_IS_READONLY` "true" if the category or item cannot be removed, "false" otherwise.
`static String`	`ATTR_IS_VISIBLE` "true" if palette category or item is visible in the palette, "false" if the category or item is visible in palette customizer only.
`static String`	`ATTR_ITEM_WIDTH` The width of palette items in pixels, if this attribute is set to -1 or is missing then the item width will be calculated dynamically depending on the length of item display names and may differ for each category (therefore each category may have a different number of columns).
`static String`	`ATTR_SHOW_ITEM_NAMES` "true" to show item names in the palette panel, "false" to show item icons only.
`static DataFlavor`	`ITEM_DATA_FLAVOR` `DataFlavor` of palette items dragged from palette to editor.
`static String`	`PROP_SELECTED_ITEM` Palette clients should listen to changes of this property if they want to notified when the selected item in palette has changed.

Method Summary
`void`	`addPropertyChangeListener(PropertyChangeListener listener)`
`void`	`clearSelection()` Clear selection in palette (i.e.
`Lookup`	`getRoot()`
`Lookup`	`getSelectedCategory()`
`Lookup`	`getSelectedItem()`
`void`	`refresh()` Refresh the list of categories and items, e.g.
`void`	`removePropertyChangeListener(PropertyChangeListener listener)`
`void`	`setSelectedItem(Lookup category, Lookup item)` Select a new item in the palette window.
`void`	`showCustomizer()` Open the default Palette Manager window to allow user to customize palette's contents, especially add/import new items to palette.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

ITEM_DATA_FLAVOR

public static final DataFlavor ITEM_DATA_FLAVOR

DataFlavor of palette items dragged from palette to editor. The trasfer data returned from Transferable for this DataFlavor is the Lookup of the Node representing the palette item being dragged.

ATTR_ITEM_WIDTH

public static final String ATTR_ITEM_WIDTH

The width of palette items in pixels, if this attribute is set to -1 or is missing then the item width will be calculated dynamically depending on the length of item display names and may differ for each category (therefore each category may have a different number of columns). This attribute applies to palette's root only and is read-only. Default value is "-1".

See Also:: Constant Field Values

ATTR_SHOW_ITEM_NAMES

public static final String ATTR_SHOW_ITEM_NAMES

"true" to show item names in the palette panel, "false" to show item icons only. This attribute applies to palette's root only. Default value is "true".

See Also:: Constant Field Values

ATTR_ICON_SIZE

public static final String ATTR_ICON_SIZE

Item icon size. This attribute applies to palette's root only. Default value is java.beans.BeanInfo.ICON_COLOR_16x16

See Also:: BeanInfo, Constant Field Values

ATTR_IS_EXPANDED

public static final String ATTR_IS_EXPANDED

"true" if palette category is expanded, "false" if category is collapsed. Default value is "false".

See Also:: Constant Field Values

ATTR_IS_VISIBLE

public static final String ATTR_IS_VISIBLE

"true" if palette category or item is visible in the palette, "false" if the category or item is visible in palette customizer only. Default value is "true".

See Also:: Constant Field Values

ATTR_IS_READONLY

public static final String ATTR_IS_READONLY

"true" if the category or item cannot be removed, "false" otherwise. Users cannot override this attribute's value. Default value is "false".

See Also:: Constant Field Values

ATTR_HELP_ID

public static final String ATTR_HELP_ID

Use this attribut for palette's root, category or item to specify its help id. Default value is "CommonPalette".

See Also:: Constant Field Values

PROP_SELECTED_ITEM

public static final String PROP_SELECTED_ITEM

Palette clients should listen to changes of this property if they want to notified when the selected item in palette has changed.

See Also:: Constant Field Values

Method Detail

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener listener)

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener listener)

getSelectedItem

public Lookup getSelectedItem()

Returns:: Lookup representing the item currently selected in the palette. The lookup is empty if no item is currently selected.

setSelectedItem

public void setSelectedItem(Lookup category,
                            Lookup item)

Select a new item in the palette window.

Parameters:: category - Lookup of the category that contains the item to be selected.; item - Item's lookup.

getSelectedCategory

public Lookup getSelectedCategory()

Returns:: Lookup representing the category of currently selected item. The lookup is empty if no item is currently selected.

clearSelection

public void clearSelection()

Clear selection in palette (i.e. no item is selected)

refresh

public void refresh()

Refresh the list of categories and items, e.g. when PaletteFilter conditions have changed.

showCustomizer

public void showCustomizer()

Open the default Palette Manager window to allow user to customize palette's contents, especially add/import new items to palette.

getRoot

public Lookup getRoot()

Returns:: Lookup representing palette's root folder.