SpinnerElement.java

package com.multimote.microz.gui.elements;

import com.multimote.microz.gui.ScreenTools;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.gui.Gui;
import org.lwjgl.opengl.GL11;

/**
 * Created by multimote on 12.07.14.
 */
public class SpinnerElement extends Gui {
    public int value;

    private final FontRenderer fontRenderer;
    private final int xPosition;
    private final int yPosition;

    private final int width;
    private final int height;


    private boolean canLoseFocus = true;

    private boolean isFocused;

    private boolean isEnabled = true;


    private boolean visible = true;
    private String text = "";

    public boolean restrict;
    public int min;
    public int max;


    public SpinnerElement(FontRenderer fontRenderer1, int x, int y, int width, int height, int value) {
        this.fontRenderer = fontRenderer1;
        this.xPosition = x;
        this.yPosition = y;
        this.width = width;
        this.height = height;
        setValue(value);
    }

    public SpinnerElement(FontRenderer fontRenderer1, int x, int y, int width, int height, int value, int min, int max) {
        this(fontRenderer1, x, y, width, height, value);
        this.min = min;
        this.max = max;
        this.restrict = true;
    }


    public void setValue(int val) {
        this.text = Integer.toString(val);
        this.value = val;
        if (restrict) {
            if (value > max) setValue(max);
            if (value < min) setValue(min);
        }
    }


    public int getValue() {
        if (this.text.length() > 0)
            try {
                this.value = Integer.parseInt(this.text);
            } catch (NumberFormatException ex) {
                this.setValue(0);
            }
        else this.value = 0;
        return this.value;
    }

    public boolean isNumber(char c) {
        return ((c >= 48 && c <= 57) || c == 45);
    }

    public String filerNumbers(String par0Str) {
        StringBuilder stringbuilder = new StringBuilder();
        char[] achar = par0Str.toCharArray();
        int i = achar.length;

        for (int j = 0; j < i; ++j) {
            char c0 = achar[j];

            if (this.isNumber(c0)) {
                stringbuilder.append(c0);
            }
        }

        return stringbuilder.toString();
    }


    public void writeText(String str) {
        this.text += filerNumbers(str);
        try {
            this.value = Integer.parseInt(text);
        } catch (NumberFormatException ex) {
            this.value = 0;
        }
        if (restrict) {
            if (value > max) setValue(max);
            if (value < min) setValue(min);
        }
    }


    public boolean textboxKeyTyped(char letter, int id) {
        if (!this.isFocused) {
            return false;
        } else {
            switch (id) {
                case 14:
                    if (this.isEnabled) {
                        this.deleteChar();
                    }
                    return true;

                default:
                    if (this.isNumber(letter)) {
                        if (this.isEnabled) {
                            if ((int) letter == 45 && text.length() > 0) return false;
                            this.writeText(Character.toString(letter));
                        }

                        return true;
                    } else {
                        return false;
                    }
            }

        }
    }

    private void deleteChar() {
        if (this.text.length() > 0) {
            this.text = text.substring(0, this.text.length() - 1);
        } else this.text = "0";
    }

    public boolean isHovering(int x, int y){
    return x >= this.xPosition && x < this.xPosition + this.width && y >= this.yPosition && y < this.yPosition + this.height;
    }

    public boolean isDownHovering(int x, int y){
    return isHovering(x,y) && x > this.xPosition + this.width - 15 && y > this.yPosition + this.height / 2;
    }

    public boolean isUpHovering(int x, int y){
        return isHovering(x,y) && x > this.xPosition + this.width - 15 && y <= this.yPosition + this.height / 2;

    }

    public void mouseClicked(int x, int y, int button) {
        boolean flag = isHovering(x,y);

        if (this.canLoseFocus) {
            this.setFocused(flag);
        }

         if(isUpHovering(x, y))setValue(getValue() + 1);
          else
         if(isDownHovering(x,y)) setValue(getValue() - 1);


    }


    public void drawTextBox(int x, int y) {
        if (this.getVisible()) {

            drawRect(this.xPosition - 1, this.yPosition - 1, this.xPosition + this.width + 1, this.yPosition + this.height + 1, this.isFocused ? 0xFFBBBBBB : 0xFF787878);
            drawRect(this.xPosition, this.yPosition, this.xPosition + this.width - 16, this.yPosition + this.height, -16777216);

            Minecraft.getMinecraft().renderEngine.bindTexture(ScreenTools.elements);

           if(isUpHovering(x,y)) GL11.glColor4f(1F, 1F, 1F, 1F); else GL11.glColor4f(0.8F, 0.8F, 0.8F, 1F);
            drawTexturedModalRect(this.xPosition + this.width - 15, this.yPosition, 0, 20, 15, 7);

            if(isDownHovering(x, y)) GL11.glColor4f(1F, 1F, 1F, 1F); else GL11.glColor4f(0.8F, 0.8F, 0.8F, 1F);
            drawTexturedModalRect(this.xPosition + this.width - 15, this.yPosition+7, 0, 27, 15, 7);



            if (text.length() > 0) {

                this.fontRenderer.drawString(text, this.xPosition + 2, this.yPosition + this.height / 2 - 4, this.isFocused ? 0xFFFFFFFF : 0xFF646464);
            }

        }
    }

    public void setFocused(boolean f) {
        this.isFocused = f;
    }


    public boolean isFocused() {
        return this.isFocused;
    }

    public void setEnabled(boolean e) {
        this.isEnabled = e;
    }


    public int getWidth() {
        return this.width;
    }


    public void setCanLoseFocus(boolean is) {
        this.canLoseFocus = is;
    }


    public boolean getVisible() {
        return this.visible;
    }


    public void setVisible(boolean p_146189_1_) {
        this.visible = p_146189_1_;
    }
}