/**
*
* Copyright 2014
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*
* @project loon
* @author cping
* @email：javachenpeng@yahoo.com
* @version 0.4.1
*
*/
package loon.component;
import loon.LTexture;
import loon.canvas.LColor;
import loon.component.skin.SkinManager;
import loon.component.skin.TextListSkin;
import loon.event.SysTouch;
import loon.font.FontSet;
import loon.font.IFont;
import loon.opengl.GLEx;
/*
* 新增类，用以列表方式显示指定数据，本身有默认UI，用户也可以自行注入图片进行替换.
*
* Example1:
*
* LTextList list = new LTextList(0,0,150,100);
* list.add("图灵测试");
* list.add("人月神话");
* list.add("费雪效应");
* list.add("ABC");
* list.add("EFG");
*/
public class LTextList extends LComponent implements FontSet<LTextList> {
public final int LIST_SPACE_TOP = 5;
public final int LIST_SPACE_LEFT = 5;
public final int LIST_SPACE_BOTTOM = 5;
private LTexture bgTexture, choiceTexture, scrollTexture,
scrollFlagATexture, scrollFlagBTexture;
private int max;
private String[] name;
private int[] number;
private LColor[] color;
private boolean[] lengthCheck;
private int num;
private LColor defaultStringColor = LColor.white;
private LColor nextStringColor = this.defaultStringColor;
private LColor choiceStringColor = LColor.black;
private LColor choiceStringBoxColor = LColor.cyan;
private IFont _font;
private int selectList;
public static final int defaultWidth = 150;
public static final int defaultHeight = 300;
private LColor listColor = LColor.black;
private int drawNum;
private int loop;
private int drawX;
private int drawY;
private int scrollList;
private int scrollBarX;
private int scrollBarY;
private int scrollBarHeight;
private int scrollBarHeight_max;
private boolean scrollBarDrag;
private int scrollButtonWidth = 15;
private int scrollButtonHeight = 15;
private int scrollButtonX;
private int scrollButtonY;
private boolean scrollUpButtonON;
private boolean scrollDownButtonON;
private float[] px = new float[3];
private float[] py = new float[3];
private boolean useHold;
private int hold;
public LTextList(int x, int y) {
this(128, x, y, defaultWidth, defaultHeight, 30);
}
public LTextList(int x, int y, int w, int h) {
this(128, x, y, w, h, 30);
}
public LTextList(int max, int x, int y, int width, int height,
int scrollButtonWidth) {
this(SkinManager.get().getTextListSkin().getFont(), max, x, y, width,
height, scrollButtonWidth, SkinManager.get().getTextListSkin()
.getBackgoundTexture(), SkinManager.get()
.getTextListSkin().getChoiceTexture(), SkinManager
.get().getTextListSkin().getScrollTexture(),
SkinManager.get().getTextListSkin().getScrollFlagATexture(),
SkinManager.get().getTextListSkin().getScrollFlagBTexture());
}
public LTextList(int max, int x, int y, int width, int height,
int scrollButtonWidth, LTexture bg, LTexture choice,
LTexture scroll, LTexture scrollFlagA, LTexture scrollFlagB) {
this(SkinManager.get().getTextListSkin().getFont(), max, x, y, width, height,
scrollButtonWidth, bg, choice, scroll, scrollFlagA, scrollFlagB);
}
public LTextList(TextListSkin skin, int max, int x, int y, int width,
int height, int scrollButtonWidth) {
this(skin.getFont(), max, x, y, width, height, scrollButtonWidth, skin
.getBackgoundTexture(), skin.getChoiceTexture(), skin
.getScrollTexture(), skin.getScrollFlagATexture(), skin
.getScrollFlagBTexture());
}
/**
* @param font
*
* @param max
* 允许插入的最大行数
* @param x
* 显示用坐标x
* @param y
* 显示用坐标y
* @param width
* 文本列表宽
* @param height
* 文本列表高
* @param scrollButtonWidth
* 滚轴按钮触发范围
* @param bg
* 背景图
* @param choice
* 选中单独栏用图
* @param scroll
* 滚轴用图
* @param scrollFlagA
* 滚轴上下标识用图(A)
* @param scrollFlagB
* 滚轴上下标识用图(B)
*/
public LTextList(IFont font, int max, int x, int y, int width, int height,
int scrollButtonWidth, LTexture bg, LTexture choice,
LTexture scroll, LTexture scrollFlagA, LTexture scrollFlagB) {
super(x, y, (width - scrollButtonWidth), height);
this.reset(max);
this._font = font;
this.bgTexture = bg;
this.choiceTexture = choice;
this.scrollTexture = scroll;
this.scrollFlagATexture = scrollFlagA;
this.scrollFlagBTexture = scrollFlagB;
}
public void reset(int d_max) {
this.max = (d_max + 1);
this.name = new String[this.max];
this.number = new int[this.max];
this.color = new LColor[this.max];
this.lengthCheck = new boolean[this.max];
for (int i = 0; i < this.max; i++) {
this.color[i] = this.defaultStringColor;
}
this.selectList = 0;
this.num = 0;
this.scrollList = 0;
this.nextStringColor = this.defaultStringColor;
}
public void delete() {
this.max = 0;
}
@Override
public LTextList setFont(IFont newFont) {
this._font = newFont;
return this;
}
@Override
public IFont getFont() {
return _font;
}
public void changeName(int position, String nameString, int numberInt) {
this.name[position] = nameString;
this.number[position] = numberInt;
}
public void changeColor(int numberInt, LColor colorValue) {
this.color[numberInt] = colorValue;
}
public void setNextStringColor(LColor nextStringColor) {
this.nextStringColor = nextStringColor;
}
private void removeNames(int idx, int flag) {
int size = flag - idx - 1;
if (size > 0) {
System.arraycopy(this.name, idx + 1, this.name, idx, size);
}
this.name[--flag] = null;
if (size == 0) {
name = new String[0];
}
}
private void removeInteger(int idx, int flag) {
int size = flag - idx - 1;
if (size > 0) {
System.arraycopy(this.number, idx + 1, this.number, idx, size);
}
this.number[--flag] = -1;
if (size == 0) {
number = new int[0];
}
}
private void removeColor(int idx, int flag) {
int size = flag - idx - 1;
if (size > 0) {
System.arraycopy(this.color, idx + 1, this.color, idx, size);
}
this.color[--flag] = null;
if (size == 0) {
color = new LColor[0];
}
}
public void remove(String key) {
int idx = 0;
for (String s : name) {
if (s != null && s.equalsIgnoreCase(key)) {
remove(idx);
break;
}
idx++;
}
}
public void remove(int idx) {
if (idx > -1 && idx < name.length) {
this.removeNames(idx, this.num);
this.removeInteger(idx, this.num);
this.removeColor(idx, this.num);
this.num -= 1;
}
}
public void add(String nameString) {
add(nameString, num);
}
public void add(String nameString, int numberInt) {
this.name[this.num] = nameString;
this.number[this.num] = numberInt;
this.color[this.num] = this.nextStringColor;
this.nextStringColor = this.defaultStringColor;
this.num += 1;
}
public void setDefaultStringColor(LColor stringNewColor) {
this.defaultStringColor = stringNewColor;
}
public void setDefaultStringColor(LColor newStringColor,
LColor newChoiceStringColor, LColor newChoiceStringBoxColor) {
this.defaultStringColor = newStringColor;
this.choiceStringColor = newChoiceStringColor;
this.choiceStringBoxColor = newChoiceStringBoxColor;
}
public void setListColor(LColor newColor) {
this.listColor = newColor;
}
public void setUseHold(boolean bool) {
this.useHold = bool;
}
public void setHold(int num) {
this.hold = num;
}
public void setBoundsScrollButton(int width, int height) {
this.scrollButtonWidth = width;
this.scrollButtonHeight = height;
}
public int getSelectList() {
return this.selectList;
}
public int getNumber(int num) {
return num < max ? this.number[num] : this.number[max - 1];
}
public String getSelectName() {
int idx = get();
if (idx != -1) {
return name[idx];
}
return "unkown";
}
/**
* 获得选中数据所在列的数据标识
*
* @return
*/
public int get() {
if (this.selectList >= 0) {
return this.number[this.selectList];
}
return -1;
}
public int getMax() {
return this.max - 1;
}
public void setScrollList(int scroll) {
this.scrollList = (scroll - this.drawNum);
if (this.scrollList < 0) {
this.scrollList = 0;
}
}
private synchronized void drawString(GLEx g, String str, int x, int y) {
if (_font != null) {
_font.drawString(g, str, x, y);
}
}
public synchronized void draw(GLEx g, int x, int y, float mouseX,
float mouseY) {
try {
g.saveBrush();
if (this.max > 0) {
int fontSize = _font.getSize();
// 如果没有设置背景，则绘制
if (bgTexture == null) {
g.setTint(this.listColor);
g.fillRect(x, y, getWidth(), getHeight());
g.setTint(255, 255, 255);
g.drawRect(x, y, getWidth(), getHeight());
} else {
g.draw(bgTexture, x, y, getWidth(), getHeight(), baseColor);
}
this.drawNum = (int) ((getHeight() - 10) / fontSize);
this.loop = 0;
this.selectList = -1;
for (int i = this.scrollList; i < this.drawNum
+ this.scrollList; i++) {
if (i >= this.num)
break;
this.drawX = (x + 5);
this.drawY = (y + 5 + this.loop * fontSize);
if (!this.scrollBarDrag) {
if ((mouseY > this.drawY)
&& (mouseY <= this.drawY + fontSize)
&& (mouseX > this.drawX)
&& (mouseX < this.drawX + getWidth())) {
this.selectList = i;
}
}
// 计算是否选中当前行
if (!this.lengthCheck[i]) {
this.lengthCheck[i] = true;
if (this.name[i] != null) {
while (_font.stringWidth(this.name[i]) > getWidth()) {
this.name[i] = this.name[i].substring(0,
this.name[i].length() - 1);
}
}
}
if ((this.selectList == i)
|| ((this.useHold) && (this.hold == i))) {
if ((this.useHold) && (this.hold == i)) {
g.setTint(255, 255, 0);
g.fillRect(x + 1, this.drawY, getWidth() - 1,
fontSize);
g.setTint(LColor.black);
drawString(g, this.name[i], this.drawX, this.drawY);
this.hold = -1;
}
// 选中指定列时
if (this.selectList == i) {
if (choiceTexture == null) {
g.setTint(this.choiceStringBoxColor);
g.fillRect(x + 1, this.drawY, getWidth() - 2,
fontSize + 2);
} else {
g.draw(this.choiceTexture, x + 2, this.drawY,
getWidth() - 2, fontSize + 2, baseColor);
}
g.setTint(this.choiceStringColor);
drawString(g, this.name[i], this.drawX, this.drawY);
}
} else {
g.setTint(this.color[i]);
drawString(g, this.name[i], this.drawX, this.drawY);
}
this.loop += 1;
}
this.scrollBarX = (int) (x + getWidth() + 1);
this.scrollBarHeight_max = (int) (getHeight() - this.scrollButtonHeight * 2);
if ((this.drawNum < this.num) && (this.drawNum > 0)) {
this.scrollBarHeight = (this.scrollBarHeight_max / this.num / this.drawNum);
this.scrollBarHeight = (this.scrollBarHeight_max
* this.drawNum / this.num);
if (this.scrollBarHeight < 8)
this.scrollBarHeight = 8;
this.scrollBarY = (y + this.scrollButtonHeight + 1);
this.scrollBarY += (this.scrollBarHeight_max - this.scrollBarHeight)
* this.scrollList / (this.num - this.drawNum);
} else {
this.scrollBarHeight = this.scrollBarHeight_max;
this.scrollBarY = (y + this.scrollButtonHeight + 1);
}
if (this.scrollBarDrag) {
if (mouseY < this.scrollBarY + this.scrollBarHeight / 3) {
for (int i = 0; i < 5; i++) {
if (this.scrollList <= 0)
break;
this.scrollList -= 1;
}
}
if (mouseY > this.scrollBarY + this.scrollBarHeight * 2 / 3) {
for (int i = 0; i < 5; i++) {
if (this.scrollList >= this.num - this.drawNum)
break;
this.scrollList += 1;
}
}
}
if (SysTouch.isDrag()) {
if ((mouseX > this.scrollBarX)
&& (mouseX <= this.scrollBarX
+ this.scrollButtonWidth)
&& (mouseY > y + this.scrollButtonHeight)
&& (mouseY < y + getHeight()
- this.scrollButtonHeight)) {
this.scrollBarDrag = true;
}
} else {
this.scrollBarDrag = false;
}
this.scrollButtonX = (int) (x + getWidth());
this.scrollButtonY = y;
if (scrollFlagATexture == null) {
if (this.scrollUpButtonON) {
g.setTint(LColor.gray);
} else {
g.setTint(LColor.black);
}
g.fillRect(this.scrollButtonX + 1, this.scrollButtonY + 1,
this.scrollButtonWidth, this.scrollButtonHeight);
g.setTint(255, 255, 255);
this.px[0] = (this.scrollButtonX + 1 + this.scrollButtonWidth / 6);
this.px[1] = (this.scrollButtonX + 1 + this.scrollButtonWidth / 2);
this.px[2] = (this.scrollButtonX + 1 + this.scrollButtonWidth * 5 / 6);
this.py[0] = (this.scrollButtonY + 1 + this.scrollButtonHeight * 5 / 6);
this.py[1] = (this.scrollButtonY + 1 + this.scrollButtonHeight / 6);
this.py[2] = (this.scrollButtonY + 1 + this.scrollButtonHeight * 5 / 6);
g.fillPolygon(this.px, this.py, 3);
} else {
g.draw(this.scrollFlagATexture, this.scrollButtonX + 1,
this.scrollButtonY + 1, this.scrollButtonWidth - 1,
this.scrollButtonHeight - 1, baseColor);
}
this.scrollUpButtonON = false;
if ((!this.scrollBarDrag)
&& isFocusable()
&& (mouseX > this.scrollButtonX)
&& (mouseX <= this.scrollButtonX
+ this.scrollButtonWidth)
&& (mouseY > this.scrollButtonY)
&& (mouseY < this.scrollButtonY
+ this.scrollButtonHeight)) {
if (this.scrollList > 0) {
this.scrollList -= 1;
}
this.scrollUpButtonON = true;
}
this.scrollButtonX = (int) (x + getWidth());
this.scrollButtonY = (int) (y + getHeight() - this.scrollButtonHeight);
this.scrollDownButtonON = false;
}
if (scrollTexture == null) {
if (this.scrollBarDrag) {
g.setTint(0, 255, 255);
} else {
g.setTint(255, 255, 255);
}
g.fillRect(this.scrollBarX, this.scrollBarY,
this.scrollButtonWidth, this.scrollBarHeight);
} else {
g.draw(this.scrollTexture, this.scrollBarX,
this.scrollBarY, this.scrollButtonWidth,
this.scrollBarHeight, baseColor);
}
if ((!this.scrollBarDrag)
&& isFocusable()
&& (mouseX > this.scrollButtonX)
&& (mouseX <= this.scrollButtonX
+ this.scrollButtonWidth)
&& (mouseY > this.scrollButtonY)
&& (mouseY < this.scrollButtonY
+ this.scrollButtonHeight)) {
if (this.scrollList < this.num - this.drawNum) {
this.scrollList += 1;
}
this.scrollDownButtonON = true;
}
if (scrollFlagBTexture == null) {
if (this.scrollDownButtonON) {
g.setTint(LColor.gray);
} else {
g.setTint(LColor.black);
}
g.fillRect(this.scrollButtonX + 1, this.scrollButtonY - 1,
this.scrollButtonWidth, this.scrollButtonHeight);
g.setTint(LColor.white);
this.px[0] = (this.scrollButtonX + 1 + this.scrollButtonWidth / 6);
this.px[1] = (this.scrollButtonX + 1 + this.scrollButtonWidth / 2);
this.px[2] = (this.scrollButtonX + 1 + this.scrollButtonWidth * 5 / 6);
this.py[0] = (this.scrollButtonY - 1 + this.scrollButtonHeight / 6);
this.py[1] = (this.scrollButtonY - 1 + this.scrollButtonHeight * 5 / 6);
this.py[2] = (this.scrollButtonY - 1 + this.scrollButtonHeight / 6);
g.fillPolygon(this.px, this.py, 3);
} else {
g.draw(this.scrollFlagBTexture, this.scrollButtonX + 1,
this.scrollButtonY + 1, this.scrollButtonWidth - 1,
this.scrollButtonHeight - 1, baseColor);
}
} finally {
g.restoreBrush();
}
}
public void setChoiceStringColor(LColor choiceStringColor) {
this.choiceStringColor = choiceStringColor;
}
public void setChoiceStringBoxColor(LColor choiceStringBoxColor) {
this.choiceStringBoxColor = choiceStringBoxColor;
}
@Override
public void createUI(GLEx g, int x, int y, LComponent component,
LTexture[] buttonImage) {
synchronized (this) {
if (getContainer() == null
|| !(getContainer() instanceof LScrollContainer)) {
draw(g, x, y, SysTouch.getX(), SysTouch.getY());
} else {
draw(g, x, y, ((LScrollContainer) getContainer()).getScrollX()
+ SysTouch.getX(),
((LScrollContainer) getContainer()).getScrollY()
+ SysTouch.getY());
}
}
}
@Override
public String getUIName() {
return "TextList";
}
}