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Vaadin is a web application framework for Rich Internet Applications (RIA).
Vaadin enables easy development and maintenance of fast and
secure rich web
applications with a stunning look and feel and a wide browser support.
It features a server-side architecture with the majority of the logic
running
on the server. Ajax technology is used at the browser-side to ensure a
rich
and interactive user experience.
/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core;
import org.eclipse.core.runtime.IProgressMonitor;
/**
* Common protocol for Java elements that support source code assist and code
* resolve.
*
* @noimplement This interface is not intended to be implemented by clients.
*/
public interface ICodeAssist {
/**
* Performs code completion at the given offset position in this compilation unit,
* reporting results to the given completion requestor. The offset
* is the 0-based index of the character, after which code assist is desired.
* An offset of -1 indicates to code assist at the beginning of this
* compilation unit.
*
* @param offset the given offset position
* @param requestor the given completion requestor
*
* @exception JavaModelException if code assist could not be performed. Reasons include:
* - This Java element does not exist (ELEMENT_DOES_NOT_EXIST)
* - The position specified is < -1 or is greater than this compilation unit's
* source length (INDEX_OUT_OF_BOUNDS)
*
*
* @exception IllegalArgumentException if requestor is null
* @deprecated Use {@link #codeComplete(int, ICompletionRequestor)} instead.
*/
void codeComplete(int offset, ICodeCompletionRequestor requestor)
throws JavaModelException;
/**
* Performs code completion at the given offset position in this compilation unit,
* reporting results to the given completion requestor. The offset
* is the 0-based index of the character, after which code assist is desired.
* An offset of -1 indicates to code assist at the beginning of this
* compilation unit.
*
* @param offset the given offset position
* @param requestor the given completion requestor
* @exception JavaModelException if code assist could not be performed. Reasons include:
* - This Java element does not exist (ELEMENT_DOES_NOT_EXIST)
* - The position specified is < -1 or is greater than this compilation unit's
* source length (INDEX_OUT_OF_BOUNDS)
*
*
* @exception IllegalArgumentException if requestor is null
* @since 2.0
* @deprecated Use {@link #codeComplete(int, CompletionRequestor)} instead.
*/
void codeComplete(int offset, ICompletionRequestor requestor)
throws JavaModelException;
/**
* Performs code completion at the given offset position in this compilation unit,
* reporting results to the given completion requestor. The offset
* is the 0-based index of the character, after which code assist is desired.
* An offset of -1 indicates to code assist at the beginning of this
* compilation unit.
*
*
* @param offset the given offset position
* @param requestor the given completion requestor
* @exception JavaModelException if code assist could not be performed. Reasons include:
* - This Java element does not exist (ELEMENT_DOES_NOT_EXIST)
* - The position specified is < -1 or is greater than this compilation unit's
* source length (INDEX_OUT_OF_BOUNDS)
*
*
* @exception IllegalArgumentException if requestor is null
* @since 3.0
*/
void codeComplete(int offset, CompletionRequestor requestor)
throws JavaModelException;
/**
* Performs code completion at the given offset position in this compilation unit,
* reporting results to the given completion requestor. The offset
* is the 0-based index of the character, after which code assist is desired.
* An offset of -1 indicates to code assist at the beginning of this
* compilation unit.
*
*
* If {@link IProgressMonitor} is not null then some proposals which
* can be very long to compute are proposed. To avoid that the code assist operation
* take too much time a {@link IProgressMonitor} which automatically cancel the code
* assist operation when a specified amount of time is reached could be used.
*
*
* new IProgressMonitor() {
* private final static int TIMEOUT = 500; //ms
* private long endTime;
* public void beginTask(String name, int totalWork) {
* fEndTime= System.currentTimeMillis() + TIMEOUT;
* }
* public boolean isCanceled() {
* return endTime <= System.currentTimeMillis();
* }
* ...
* };
*
*
*
* @param offset the given offset position
* @param requestor the given completion requestor
* @param monitor the progress monitor used to report progress
* @exception JavaModelException if code assist could not be performed. Reasons include:
* - This Java element does not exist (ELEMENT_DOES_NOT_EXIST)
* - The position specified is < -1 or is greater than this compilation unit's
* source length (INDEX_OUT_OF_BOUNDS)
*
*
* @exception IllegalArgumentException if requestor is null
* @since 3.5
*/
void codeComplete(int offset, CompletionRequestor requestor, IProgressMonitor monitor)
throws JavaModelException;
/**
* Performs code completion at the given offset position in this compilation unit,
* reporting results to the given completion requestor. The offset
* is the 0-based index of the character, after which code assist is desired.
* An offset of -1 indicates to code assist at the beginning of this
* compilation unit.
* It considers types in the working copies with the given owner first. In other words,
* the owner's working copies will take precedence over their original compilation units
* in the workspace.
*
* Note that if a working copy is empty, it will be as if the original compilation
* unit had been deleted.
*
*
* @param offset the given offset position
* @param requestor the given completion requestor
* @param owner the owner of working copies that take precedence over their original compilation units
* @exception JavaModelException if code assist could not be performed. Reasons include:
* - This Java element does not exist (ELEMENT_DOES_NOT_EXIST)
* - The position specified is < -1 or is greater than this compilation unit's
* source length (INDEX_OUT_OF_BOUNDS)
*
*
* @exception IllegalArgumentException if requestor is null
* @since 3.0
* @deprecated Use {@link #codeComplete(int, CompletionRequestor, WorkingCopyOwner)} instead.
*/
void codeComplete(int offset, ICompletionRequestor requestor, WorkingCopyOwner owner)
throws JavaModelException;
/**
* Performs code completion at the given offset position in this compilation unit,
* reporting results to the given completion requestor. The offset
* is the 0-based index of the character, after which code assist is desired.
* An offset of -1 indicates to code assist at the beginning of this
* compilation unit.
* It considers types in the working copies with the given owner first. In other words,
* the owner's working copies will take precedence over their original compilation units
* in the workspace.
*
* Note that if a working copy is empty, it will be as if the original compilation
* unit had been deleted.
*
*
* @param offset the given offset position
* @param requestor the given completion requestor
* @param owner the owner of working copies that take precedence over their original compilation units
* @exception JavaModelException if code assist could not be performed. Reasons include:
* - This Java element does not exist (ELEMENT_DOES_NOT_EXIST)
* - The position specified is < -1 or is greater than this compilation unit's
* source length (INDEX_OUT_OF_BOUNDS)
*
*
* @exception IllegalArgumentException if requestor is null
* @since 3.0
*/
void codeComplete(int offset, CompletionRequestor requestor, WorkingCopyOwner owner)
throws JavaModelException;
/**
* Performs code completion at the given offset position in this compilation unit,
* reporting results to the given completion requestor. The offset
* is the 0-based index of the character, after which code assist is desired.
* An offset of -1 indicates to code assist at the beginning of this
* compilation unit.
* It considers types in the working copies with the given owner first. In other words,
* the owner's working copies will take precedence over their original compilation units
* in the workspace.
*
* Note that if a working copy is empty, it will be as if the original compilation
* unit had been deleted.
*
*
* If {@link IProgressMonitor} is not null then some proposals which
* can be very long to compute are proposed. To avoid that the code assist operation
* take too much time a {@link IProgressMonitor} which automatically cancel the code
* assist operation when a specified amount of time is reached could be used.
*
*
* new IProgressMonitor() {
* private final static int TIMEOUT = 500; //ms
* private long endTime;
* public void beginTask(String name, int totalWork) {
* fEndTime= System.currentTimeMillis() + TIMEOUT;
* }
* public boolean isCanceled() {
* return endTime <= System.currentTimeMillis();
* }
* ...
* };
*
*
*
* @param offset the given offset position
* @param requestor the given completion requestor
* @param owner the owner of working copies that take precedence over their original compilation units
* @param monitor the progress monitor used to report progress
* @exception JavaModelException if code assist could not be performed. Reasons include:
* - This Java element does not exist (ELEMENT_DOES_NOT_EXIST)
* - The position specified is < -1 or is greater than this compilation unit's
* source length (INDEX_OUT_OF_BOUNDS)
*
*
* @exception IllegalArgumentException if requestor is null
* @since 3.5
*/
void codeComplete(int offset, CompletionRequestor requestor, WorkingCopyOwner owner, IProgressMonitor monitor)
throws JavaModelException;
/**
* Returns the Java elements corresponding to the given selected text in this compilation unit.
* The offset is the 0-based index of the first selected character.
* The length is the number of selected characters.
*
* Note that if the length is 0 and the offset is inside an identifier
* or the index just after an identifier then this identifier is considered as the selection.
*
*
* @param offset the given offset position
* @param length the number of selected characters
* @return the Java elements corresponding to the given selected text
*
* @exception JavaModelException if code resolve could not be performed. Reasons include:
*
* - This Java element does not exist (ELEMENT_DOES_NOT_EXIST)
* - The range specified is not within this element's
* source range (INDEX_OUT_OF_BOUNDS)
*
*
*/
IJavaElement[] codeSelect(int offset, int length) throws JavaModelException;
/**
* Returns the Java elements corresponding to the given selected text in this compilation unit.
* The offset is the 0-based index of the first selected character.
* The length is the number of selected characters.
* It considers types in the working copies with the given owner first. In other words,
* the owner's working copies will take precedence over their original compilation units
* in the workspace.
*
* Note that if the length is 0 and the offset is inside an identifier
* or the index just after an identifier then this identifier is considered as the selection.
*
*
* Note that if a working copy is empty, it will be as if the original compilation
* unit had been deleted.
*
*
* @param offset the given offset position
* @param length the number of selected characters
* @param owner the owner of working copies that take precedence over their original compilation units
* @return the Java elements corresponding to the given selected text
*
* @exception JavaModelException if code resolve could not be performed. Reasons include:
*
* - This Java element does not exist (ELEMENT_DOES_NOT_EXIST)
* - The range specified is not within this element's
* source range (INDEX_OUT_OF_BOUNDS)
*
* @since 3.0
*/
IJavaElement[] codeSelect(int offset, int length, WorkingCopyOwner owner) throws JavaModelException;
}