textarea.java

纯java操作系统jnode,安装简单和操作简单的个人使用的Java操作系统

		this.rows = rows;
		// FIXME: How to we communicate this to our peer?
	}

	/*************************************************************************/

	/**
	  * Returns the minimum size for this text field.
	  *
	  * @return The minimum size for this text field.
	  */
	public Dimension getMinimumSize() {
		return (getMinimumSize(getRows(), getColumns()));
	}

	/*************************************************************************/

	/**
	  * Returns the minimum size of a text field with the specified number
	  * of rows and columns.
	  *
	  * @param rows The number of rows to get the minimum size for.
	  * @param columns The number of columns to get the minimum size for.
	  */
	public Dimension getMinimumSize(int rows, int columns) {
		TextAreaPeer tap = (TextAreaPeer) getPeer();
		if (tap == null)
			return (null); // FIXME: What do we do if there is no peer?

		return (tap.getMinimumSize(rows, columns));
	}

	/*************************************************************************/

	/**
	  * Returns the minimum size for this text field.
	  *
	  * @return The minimum size for this text field.
	  *
	  * @deprecated This method is depcreated in favor of
	  * <code>getMinimumSize()</code>.
	  */
	public Dimension minimumSize() {
		return (getMinimumSize(getRows(), getColumns()));
	}

	/*************************************************************************/

	/**
	  * Returns the minimum size of a text field with the specified number
	  * of rows and columns.
	  *
	  * @param rows The number of rows to get the minimum size for.
	  * @param columns The number of columns to get the minimum size for.
	  *
	  * @deprecated This method is deprecated in favor of 
	  * <code>getMinimumSize(int)</code>.
	  */
	public Dimension minimumSize(int rows, int columns) {
		return (getMinimumSize(rows, columns));
	}

	/*************************************************************************/

	/**
	  * Returns the preferred size for this text field.
	  *
	  * @return The preferred size for this text field.
	  */
	public Dimension getPreferredSize() {
		return (getPreferredSize(getRows(), getColumns()));
	}

	/*************************************************************************/

	/**
	  * Returns the preferred size of a text field with the specified number
	  * of rows and columns.
	  *
	  * @param rows The number of rows to get the preferred size for.
	  * @param columns The number of columns to get the preferred size for.
	  */
	public Dimension getPreferredSize(int rows, int columns) {
		TextAreaPeer tap = (TextAreaPeer) getPeer();
		if (tap == null)
			return (null); // FIXME: What do we do if there is no peer?

		return (tap.getPreferredSize(rows, columns));
	}

	/*************************************************************************/

	/**
	  * Returns the preferred size for this text field.
	  *
	  * @return The preferred size for this text field.
	  *
	  * @deprecated This method is deprecated in favor of 
	  * <code>getPreferredSize()</code>.
	  */
	public Dimension preferredSize() {
		return (getPreferredSize(getRows(), getColumns()));
	}

	/*************************************************************************/

	/**
	  * Returns the preferred size of a text field with the specified number
	  * of rows and columns.
	  *
	  * @param rows The number of rows to get the preferred size for.
	  * @param columns The number of columns to get the preferred size for.
	  *
	  * @deprecated This method is deprecated in favor of 
	  * <code>getPreferredSize(int)</code>.
	  */
	public Dimension preferredSize(int columns) {
		return (getPreferredSize(rows, columns));
	}

	/*************************************************************************/

	/**
	  * Returns one of the constants from this class indicating which
	  * types of scrollbars this object uses, if any.
	  *
	  * @return The scrollbar type constant for this object.
	  */
	public int getScrollbarVisibility() {
		return (scrollbarVisibility);
	}

	/*************************************************************************/

	/**
	  * Notify this object that it should create its native peer.
	  */
	public void addNotify() {
		if (getPeer() != null)
			return;

		setPeer((ComponentPeer) getToolkit().createTextArea(this));
	}

	/*************************************************************************/

	/**
	  * Appends the specified text to the end of the current text.
	  *
	  * @param text The text to append.
	  */
	public void append(String str) {
		TextAreaPeer tap = (TextAreaPeer) getPeer();
		if (tap == null)
			return;

		tap.insert(str, tap.getText().length());
	}

	/*************************************************************************/

	/**
	  * Appends the specified text to the end of the current text.
	  *
	  * @param text The text to append.
	  *
	  * @deprecated This method is deprecated in favor of 
	  * <code>append()</code>.
	  */
	public void appendText(String text) {
		append(text);
	}

	/*************************************************************************/

	/**
	  * Inserts the specified text at the specified location.
	  *
	  * @param text The text to insert.
	  * @param pos The insert position.
	  */
	public void insert(String text, int pos) {
		TextAreaPeer tap = (TextAreaPeer) getPeer();
		if (tap == null)
			return;

		tap.insert(text, pos);
	}

	/*************************************************************************/

	/**
	  * Inserts the specified text at the specified location.
	  *
	  * @param text The text to insert.
	  * @param pos The insert position.
	  *
	  * @deprecated This method is depcreated in favor of <code>insert()</code>.
	  */
	public void insertText(String text, int pos) {
		insert(text, pos);
	}

	/*************************************************************************/

	/**
	  * Replaces the text bounded by the specified start and end positions
	  * with the specified text.
	  *
	  * @param text The new text for the range.
	  * @param start The start position of the replacement range.
	  * @param end The end position of the replacement range.
	  */
	public void replaceRange(String text, int start, int end) {
		TextAreaPeer tap = (TextAreaPeer) getPeer();
		if (tap == null)
			return;

		tap.replaceRange(text, start, end);
	}

	/*************************************************************************/

	/**
	  * Replaces the text bounded by the specified start and end positions
	  * with the specified text.
	  *
	  * @param text The new text for the range.
	  * @param start The start position of the replacement range.
	  * @param end The end position of the replacement range.
	  *
	  * @deprecated This method is deprecated in favor of
	  * <code>replaceRange()</code>.
	  */
	public void replaceText(String text, int start, int end) {
		replaceRange(text, start, end);
	}

	/*************************************************************************/

	/**
	  * Returns a debugging string for this text area.
	  *
	  * @return A debugging string for this text area.
	  */
	protected String paramString() {
		return (getClass().getName() + "(rows=" + getRows() + ",columns=" + getColumns() + ",scrollbars=" + getScrollbarVisibility() + ")");
	}

} // class TextArea