slider.java

最强手机阅读器Anyview3.0版的界面代码

package com.ismyway.fairyui;

import javax.microedition.lcdui.Graphics;

import com.ismyway.anyview.others.Settings;
import com.ismyway.util.Theme;

public class Slider extends Row {
	int x2, showwidth, fillwidth;
	byte stopover = 0;
	private SpinButton left, right, fleft, fright;

	private int min = 0, max = 100, step = 1, current = 0, faststep = 10;
	private String suffix = "";

	private boolean fastmode = false;
	private boolean hexMode = false;

	private ValueChangeListener valueChangeListener = null;

	public boolean isHexMode() {
		return hexMode;
	}

	public void setHexMode(boolean hexMode) {
		this.hexMode = hexMode;
	}

	public final String getSuffix() {
		return suffix;
	}

	public final void setSuffix(String suffix) {
		this.suffix = suffix;
	}

	public Slider() {

	}

	public void setParameters(int min, int max, int current) {
		this.min = min;
		this.max = max;
		this.current = current;
	}

	public void paint(Graphics g, int adjustx, int adjusty) {
		g.setColor(filledColor);
		g.fillRect(getLeft(), getTop() - adjusty, getWidth(), getHeight());

		g.setColor(Theme.TextColor);

		if (fastmode) {
			fleft.paint(g, adjustx, adjusty);
		}
		left.paint(g, adjustx, adjusty);

		g.setColor(Theme.TextColor);
		g.drawRect(x2, getTop() - adjusty + 2, showwidth, 16);
		g.setColor(Theme.TextShade);
		g.fillRect(x2 + 1, getTop() - adjusty + 3, fillwidth, 15);

		int fw = getFont().stringWidth(current + suffix);
		if (hexMode) {
			fw = getFont().stringWidth(Integer.toHexString(current).toUpperCase() + suffix);
		}
		int fx = (showwidth - fw) / 2;
		g.setFont(getFont());
		g.setColor(Theme.TextColor);
		if (hexMode) {
			g.drawString(Integer.toHexString(current).toUpperCase() + suffix, x2 + fx, getTop() - adjusty + 1, ANCHOR);
		} else {
			g.drawString(current + suffix, x2 + fx, getTop() - adjusty + 1, ANCHOR);
		}

		right.paint(g, adjustx, adjusty);
		if (fastmode) {
			fright.paint(g, adjustx, adjusty);
		}

		//		g.drawRect(x3, getTop() - adjusty + 2, 16, 16);
		//		if (stopover == 1) {
		//			g.setColor(Theme.ComponentLight);
		//			g.drawRect(x3 + 1, getTop() - adjusty + 3, 15, 15);
		//			Theme.drawArrow(g, x3 + 7, getTop() - adjusty + 7, Theme.RIGHT, Theme.TextColor);
		//		} else {
		//			Theme.drawArrow(g, x3 + 7, getTop() - adjusty + 7, Theme.RIGHT, Theme.ComponentDark);
		//		}
		//g.fillRect(getLeft() - adjustx, getTop() - adjusty, getWidth(), getHeight());
	}

	public void validate() {
		setHeight(20);

		if (fastmode) {
			fleft = new SpinButton(this);
			fleft.setDir((byte) Theme.LEFT);
			fleft.setFastmode(true);
			fleft.setLocation(Settings.VECPADDING, getTop() + 2);

			left = new SpinButton(this);
			left.setDir((byte) Theme.LEFT);
			left.setLocation(Settings.VECPADDING * 2 + 16, getTop() + 2);

			fright = new SpinButton(this);
			fright.setDir((byte) Theme.RIGHT);
			fright.setFastmode(true);
			fright.setLocation(getWidth() - Settings.VECPADDING - 16, getTop() + 2);

			right = new SpinButton(this);
			right.setDir((byte) Theme.RIGHT);
			right.setLocation(getWidth() - Settings.VECPADDING * 2 - 32, getTop() + 2);

			x2 = Settings.VECPADDING * 3 + 32;
			showwidth = getWidth() - Settings.VECPADDING * 6 - 64;

			components.clear();
			fleft.setParent(this);
			left.setParent(this);
			right.setParent(this);
			fright.setParent(this);
			components.add(fleft);
			components.add(left);
			components.add(right);
			components.add(fright);
		} else {
			left = new SpinButton(this);
			left.setDir((byte) Theme.LEFT);
			left.setLocation(Settings.VECPADDING, getTop() + 2);

			right = new SpinButton(this);
			right.setDir((byte) Theme.RIGHT);
			right.setLocation(getWidth() - Settings.VECPADDING - 16, getTop() + 2);

			x2 = Settings.VECPADDING * 2 + 16;
			showwidth = getWidth() - Settings.VECPADDING * 4 - 32;

			components.clear();
			left.setParent(this);
			right.setParent(this);
			components.add(left);
			components.add(right);
		}

		fillwidth = (current - min) * (showwidth - 1) / (max - min);
	}

	public boolean changeRange() {
		if (fastmode && fleft.isSelected()) {
			current -= faststep;
			current = current < min ? min : current;
		} else if (left.isSelected()) {
			current -= step;
			current = current < min ? min : current;
		} else if (right.isSelected()) {
			current += step;
			current = current > max ? max : current;
		} else if (fastmode && fright.isSelected()) {
			current += faststep;
			current = current > max ? max : current;
		}

		fillwidth = (current - min) * (showwidth - 1) / (max - min);

		if (null != valueChangeListener) {
			valueChangeListener.valueChanged(this);
		}
		return true;
	}

	public int getCurrent() {
		return current;
	}

	public void setCurrent(int current) {
		this.current = current;
		fillwidth = (current - min) * (showwidth - 1) / (max - min);
	}

	public int getFaststep() {
		return faststep;
	}

	public void setFaststep(int faststep) {
		this.faststep = faststep;
	}

	public int getStep() {
		return step;
	}

	public void setStep(int step) {
		this.step = step;
	}

	public boolean isFastmode() {
		return fastmode;
	}

	public void setFastmode(boolean fastmode) {
		this.fastmode = fastmode;
	}

	public ValueChangeListener getValueChangeListener() {
		return valueChangeListener;
	}

	public void setValueChangeListener(ValueChangeListener valueChangeListener) {
		this.valueChangeListener = valueChangeListener;
	}
}