/*
* Smart GWT (GWT for SmartClient)
* Copyright 2008 and beyond, Isomorphic Software, Inc.
*
* Smart GWT is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3
* as published by the Free Software Foundation. Smart GWT is also
* available under typical commercial license terms - see
* http://smartclient.com/license
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package com.smartgwt.client.widgets;
import com.smartgwt.client.event.*;
import com.smartgwt.client.core.*;
import com.smartgwt.client.types.*;
import com.smartgwt.client.data.*;
import com.smartgwt.client.data.events.*;
import com.smartgwt.client.rpc.*;
import com.smartgwt.client.widgets.*;
import com.smartgwt.client.widgets.events.*;
import com.smartgwt.client.widgets.form.*;
import com.smartgwt.client.widgets.form.validator.*;
import com.smartgwt.client.widgets.form.fields.*;
import com.smartgwt.client.widgets.tile.*;
import com.smartgwt.client.widgets.tile.events.*;
import com.smartgwt.client.widgets.grid.*;
import com.smartgwt.client.widgets.grid.events.*;
import com.smartgwt.client.widgets.layout.*;
import com.smartgwt.client.widgets.menu.*;
import com.smartgwt.client.widgets.tab.*;
import com.smartgwt.client.widgets.toolbar.*;
import com.smartgwt.client.widgets.tree.*;
import com.smartgwt.client.widgets.tree.events.*;
import com.smartgwt.client.widgets.viewer.*;
import com.smartgwt.client.widgets.calendar.*;
import com.smartgwt.client.widgets.calendar.events.*;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.HashMap;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.user.client.Element;
import com.smartgwt.client.util.JSOHelper;
import com.smartgwt.client.util.EnumUtil;
import com.google.gwt.event.shared.*;
import com.google.gwt.event.shared.HasHandlers;
/**
* The Scrollbar widget implements cross-platform, image-based scrollbars that control the scrolling of content in other
* widgets. Scrollbar widgets are created and displayed automatically for widgets that require them, based on settings for
* {@link com.smartgwt.client.widgets.Canvas#getOverflow overflow}. <P> The scrollbar's appearance is based on a {@link
* com.smartgwt.client.widgets.StretchImg} for the "track", which consists of two fixed size buttons and a stretchable
* center segment, and the {@link com.smartgwt.client..ScrollThumb}, the draggable portion of the scrollbar, also a
* StretchImg, with an optional {@link com.smartgwt.client.widgets.StretchImg#getShowGrip 'grip'}.
*/
public class Scrollbar extends StretchImg {
public static Scrollbar getOrCreateRef(JavaScriptObject jsObj) {
if(jsObj == null) return null;
BaseWidget obj = BaseWidget.getRef(jsObj);
if(obj != null) {
return (Scrollbar) obj;
} else {
return new Scrollbar(jsObj);
}
}
public Scrollbar(){
scClassName = "Scrollbar";
}
public Scrollbar(JavaScriptObject jsObj){
super(jsObj);
}
protected native JavaScriptObject create()/*-{
var config = this.@com.smartgwt.client.widgets.BaseWidget::getConfig()();
var widget = $wnd.isc.Scrollbar.create(config);
this.@com.smartgwt.client.widgets.BaseWidget::doInit()();
return widget;
}-*/;
// ********************* Properties / Attributes ***********************
/**
* The size of the square buttons (arrows) at the ends of this scrollbar. This overrides the width of a vertical scrollbar
* or the height of a horizontal scrollbar to set the scrollbar's thickness.
*
* @param btnSize btnSize Default value is 16
*/
public void setBtnSize(int btnSize) {
setAttribute("btnSize", btnSize, true);
}
/**
* The size of the square buttons (arrows) at the ends of this scrollbar. This overrides the width of a vertical scrollbar
* or the height of a horizontal scrollbar to set the scrollbar's thickness.
*
*
* @return int
*/
public int getBtnSize() {
return getAttributeAsInt("btnSize");
}
/**
* If true, this scrollbar will automatically enable when the scrollTarget is scrollable (i.e., when the contents of the
* scrollTarget exceed its clip size in the direction relevant to this scrollbar), and automatically disable when the
* scrollTarget is not scrollable. Set this property to false for full manual control over a scrollbar's enabled state.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param autoEnable autoEnable Default value is true
*/
public void setAutoEnable(Boolean autoEnable) {
setAttribute("autoEnable", autoEnable, true);
}
/**
* If true, this scrollbar will automatically enable when the scrollTarget is scrollable (i.e., when the contents of the
* scrollTarget exceed its clip size in the direction relevant to this scrollbar), and automatically disable when the
* scrollTarget is not scrollable. Set this property to false for full manual control over a scrollbar's enabled state.
*
*
* @return Boolean
*/
public Boolean getAutoEnable() {
return getAttributeAsBoolean("autoEnable");
}
/**
* If true, displays a corner piece at the bottom end of a vertical scrollbar, or the right end of a horizontal scrollbar.
* This is typically set only when both horizontal and vertical scrollbars are displayed and about the same corner.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param showCorner showCorner Default value is false
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setShowCorner(Boolean showCorner) throws IllegalStateException {
setAttribute("showCorner", showCorner, false);
}
/**
* If true, displays a corner piece at the bottom end of a vertical scrollbar, or the right end of a horizontal scrollbar.
* This is typically set only when both horizontal and vertical scrollbars are displayed and about the same corner.
*
*
* @return Boolean
*/
public Boolean getShowCorner() {
return getAttributeAsBoolean("showCorner");
}
/**
* If true, the thumb's appearance changes when it's clicked on.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param allowThumbDownState allowThumbDownState Default value is false
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setAllowThumbDownState(Boolean allowThumbDownState) throws IllegalStateException {
setAttribute("allowThumbDownState", allowThumbDownState, false);
}
/**
* If true, the thumb's appearance changes when it's clicked on.
*
*
* @return Boolean
*/
public Boolean getAllowThumbDownState() {
return getAttributeAsBoolean("allowThumbDownState");
}
/**
* If true, the thumb's appearance changes when the user rolls over it.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param allowThumbOverState allowThumbOverState Default value is false
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setAllowThumbOverState(Boolean allowThumbOverState) throws IllegalStateException {
setAttribute("allowThumbOverState", allowThumbOverState, false);
}
/**
* If true, the thumb's appearance changes when the user rolls over it.
*
*
* @return Boolean
*/
public Boolean getAllowThumbOverState() {
return getAttributeAsBoolean("allowThumbOverState");
}
/**
* If true, the scrollbar uses a 5-segment rather than 3-segment image representation, where the 3 interior image segments
* have the same state (Down, Over, etc), independent of the two outermost image segments. <P> This allows certain
* advanced skinning designs where the track-as-such (space in which the thumb may be dragged) has curved endcaps, and is
* also visually stateful (that is, changes when the mouse goes down, without affecting the appearance of the outermost
* segments).
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param showTrackEnds showTrackEnds Default value is false
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setShowTrackEnds(Boolean showTrackEnds) throws IllegalStateException {
setAttribute("showTrackEnds", showTrackEnds, false);
}
/**
* If true, the scrollbar uses a 5-segment rather than 3-segment image representation, where the 3 interior image segments
* have the same state (Down, Over, etc), independent of the two outermost image segments. <P> This allows certain
* advanced skinning designs where the track-as-such (space in which the thumb may be dragged) has curved endcaps, and is
* also visually stateful (that is, changes when the mouse goes down, without affecting the appearance of the outermost
* segments).
*
*
* @return Boolean
*/
public Boolean getShowTrackEnds() {
return getAttributeAsBoolean("showTrackEnds");
}
/**
* The minimum pixel size of the draggable thumb regardless of how large the scrolling region becomes.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param thumbMinSize thumbMinSize Default value is 12
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setThumbMinSize(int thumbMinSize) throws IllegalStateException {
setAttribute("thumbMinSize", thumbMinSize, false);
}
/**
* The minimum pixel size of the draggable thumb regardless of how large the scrolling region becomes.
*
*
* @return int
*/
public int getThumbMinSize() {
return getAttributeAsInt("thumbMinSize");
}
/**
* The minimum pixel width of the track end segments (if enabled with showTrackEnds).
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param trackEndWidth trackEndWidth Default value is 12
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setTrackEndWidth(int trackEndWidth) throws IllegalStateException {
setAttribute("trackEndWidth", trackEndWidth, false);
}
/**
* The minimum pixel width of the track end segments (if enabled with showTrackEnds).
*
*
* @return int
*/
public int getTrackEndWidth() {
return getAttributeAsInt("trackEndWidth");
}
/**
* The minimum pixel height of the track end segments (if enabled with showTrackEnds).
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param trackEndHeight trackEndHeight Default value is 12
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setTrackEndHeight(int trackEndHeight) throws IllegalStateException {
setAttribute("trackEndHeight", trackEndHeight, false);
}
/**
* The minimum pixel height of the track end segments (if enabled with showTrackEnds).
*
*
* @return int
*/
public int getTrackEndHeight() {
return getAttributeAsInt("trackEndHeight");
}
/**
* Number of pixels the thumb is allowed to overlap the buttons at each end of the track. Default prevents doubling of 1px
* borders. Set higher to allow media that shows curved joins between the track button and ScrollThumb.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param thumbOverlap thumbOverlap Default value is 1
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setThumbOverlap(int thumbOverlap) throws IllegalStateException {
setAttribute("thumbOverlap", thumbOverlap, false);
}
/**
* Number of pixels the thumb is allowed to overlap the buttons at each end of the track. Default prevents doubling of 1px
* borders. Set higher to allow media that shows curved joins between the track button and ScrollThumb.
*
*
* @return int
*/
public int getThumbOverlap() {
return getAttributeAsInt("thumbOverlap");
}
/**
* Number of pixels the thumb is allowed to overlap the buttons at the start of the track. Default prevents doubling of 1px
* borders. Set higher to allow media that shows curved joins between the track button and ScrollThumb.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param startThumbOverlap startThumbOverlap Default value is null
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setStartThumbOverlap(Integer startThumbOverlap) throws IllegalStateException {
setAttribute("startThumbOverlap", startThumbOverlap, false);
}
/**
* Number of pixels the thumb is allowed to overlap the buttons at the start of the track. Default prevents doubling of 1px
* borders. Set higher to allow media that shows curved joins between the track button and ScrollThumb.
*
*
* @return Integer
*/
public Integer getStartThumbOverlap() {
return getAttributeAsInt("startThumbOverlap");
}
/**
* Number of pixels the thumb is allowed to overlap the buttons at the end of the track. Default prevents doubling of 1px
* borders. Set higher to allow media that shows curved joins between the track button and ScrollThumb.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param endThumbOverlap endThumbOverlap Default value is null
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setEndThumbOverlap(Integer endThumbOverlap) throws IllegalStateException {
setAttribute("endThumbOverlap", endThumbOverlap, false);
}
/**
* Number of pixels the thumb is allowed to overlap the buttons at the end of the track. Default prevents doubling of 1px
* borders. Set higher to allow media that shows curved joins between the track button and ScrollThumb.
*
*
* @return Integer
*/
public Integer getEndThumbOverlap() {
return getAttributeAsInt("endThumbOverlap");
}
/**
* Inset of the thumb relative to the track. An inset of N pixels means the thumb is 2N pixels smaller in breadth than the
* track.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param thumbInset thumbInset Default value is null
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setThumbInset(Integer thumbInset) throws IllegalStateException {
setAttribute("thumbInset", thumbInset, false);
}
/**
* Inset of the thumb relative to the track. An inset of N pixels means the thumb is 2N pixels smaller in breadth than the
* track.
*
*
* @return Integer
*/
public Integer getThumbInset() {
return getAttributeAsInt("thumbInset");
}
/**
* Where are the skin images for the Scrollbar. This is local to the {@link com.smartgwt.client.util.Page#getSkinDir}.
* <p><b>Note : </b> This is an advanced setting</p>
*
* @param skinImgDir skinImgDir Default value is "images/Scrollbar/"
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setSkinImgDir(String skinImgDir) throws IllegalStateException {
setAttribute("skinImgDir", skinImgDir, false);
}
/**
* Where are the skin images for the Scrollbar. This is local to the {@link com.smartgwt.client.util.Page#getSkinDir}.
*
*
* @return String
*/
public String getSkinImgDir() {
return getAttributeAsString("skinImgDir");
}
/**
* URL for the corner image, a singular image that appears in the corner when both h and v scrollbars are showing.
*
* @param cornerSrc cornerSrc Default value is "[SKIN]corner.gif"
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setCornerSrc(String cornerSrc) throws IllegalStateException {
setAttribute("cornerSrc", cornerSrc, false);
}
/**
* URL for the corner image, a singular image that appears in the corner when both h and v scrollbars are showing.
*
*
* @return String
*/
public String getCornerSrc() {
return getAttributeAsString("cornerSrc");
}
/**
* Allows the size of the corner segment to be set independently of the {@link
* com.smartgwt.client.widgets.Scrollbar#getBtnSize btnSize}.
*
* @param cornerSize cornerSize Default value is null
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setCornerSize(Integer cornerSize) throws IllegalStateException {
setAttribute("cornerSize", cornerSize, false);
}
/**
* Allows the size of the corner segment to be set independently of the {@link
* com.smartgwt.client.widgets.Scrollbar#getBtnSize btnSize}.
*
*
* @return Integer
*/
public Integer getCornerSize() {
return getAttributeAsInt("cornerSize");
}
/**
* Base URL for the images used for the horizontal scrollbar track and end buttons. <P> See {@link
* com.smartgwt.client.widgets.StretchImg#getItems items} for a general explanation of how this base URL is transformed
* into various pieces and states. <P> For a normal 3-segment track, the suffixes "_start", "_track" and "_end" are added
* to this URL. The "start" and "end" images should appear to be buttons (the user can click on these segments to scroll
* slowly). The "track" segment provides a background for the space in which the thumb can be dragged, and can also be
* clicked on to scroll quickly. <P> For a 5-segment track ({@link com.smartgwt.client.widgets.Scrollbar#getShowTrackEnds
* showTrackEnds}:true), the suffixes are "_start", "_track_start", "_track", "_track_end" and "_end".
*
* @param hSrc hSrc Default value is "[SKIN]hscroll.gif"
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setHSrc(String hSrc) throws IllegalStateException {
setAttribute("hSrc", hSrc, false);
}
/**
* Base URL for the images used for the horizontal scrollbar track and end buttons. <P> See {@link
* com.smartgwt.client.widgets.StretchImg#getItems items} for a general explanation of how this base URL is transformed
* into various pieces and states. <P> For a normal 3-segment track, the suffixes "_start", "_track" and "_end" are added
* to this URL. The "start" and "end" images should appear to be buttons (the user can click on these segments to scroll
* slowly). The "track" segment provides a background for the space in which the thumb can be dragged, and can also be
* clicked on to scroll quickly. <P> For a 5-segment track ({@link com.smartgwt.client.widgets.Scrollbar#getShowTrackEnds
* showTrackEnds}:true), the suffixes are "_start", "_track_start", "_track", "_track_end" and "_end".
*
*
* @return String
*/
public String getHSrc() {
return getAttributeAsString("hSrc");
}
/**
* Base URL for the images used for the vertical scrollbar track and end buttons. See {@link
* com.smartgwt.client.widgets.Scrollbar#getHSrc hSrc} for usage.
*
* @param vSrc vSrc Default value is "[SKIN]vscroll.gif"
* @throws IllegalStateException this property cannot be changed after the component has been created
*/
public void setVSrc(String vSrc) throws IllegalStateException {
setAttribute("vSrc", vSrc, false);
}
/**
* Base URL for the images used for the vertical scrollbar track and end buttons. See {@link
* com.smartgwt.client.widgets.Scrollbar#getHSrc hSrc} for usage.
*
*
* @return String
*/
public String getVSrc() {
return getAttributeAsString("vSrc");
}
// ********************* Methods ***********************
// ********************* Static Methods ***********************
/**
* Preload primary Scrollbar skin images.
*/
public static native void preloadImages() /*-{
if($wnd.isc.Canvas.getInstanceProperty('showCustomScrollbars')) {
var skinImgDir = $wnd.isc.Scrollbar.getInstanceProperty('skinImgDir');
var vSrc = $wnd.isc.ScrollThumb.getInstanceProperty('vSrc');
var hSrc = $wnd.isc.ScrollThumb.getInstanceProperty('hSrc');
@com.smartgwt.client.util.FileLoader::cacheStretchImgStates(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)(skinImgDir, hSrc, "Down,Over");
@com.smartgwt.client.util.FileLoader::cacheStretchImgStates(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)(skinImgDir, vSrc, "Down,Over");
skinImgDir = $wnd.isc.Scrollbar.getInstanceProperty('skinImgDir');
vSrc = $wnd.isc.ScrollThumb.getInstanceProperty('vSrc');
hSrc = $wnd.isc.ScrollThumb.getInstanceProperty('hSrc');
@com.smartgwt.client.util.FileLoader::cacheStretchImgStates(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)(skinImgDir, hSrc, "Down,Over");
@com.smartgwt.client.util.FileLoader::cacheStretchImgStates(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)(skinImgDir, vSrc, "Down,Over");
}
}-*/;
}
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