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Created slider with labels #14

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Created slider with labels #14

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47139d4
Created slider with labels
wajahatkarim3 Jan 26, 2017
f88e2eb
Added labels related set/get methods....
wajahatkarim3 Jan 26, 2017
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2 changes: 1 addition & 1 deletion build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ buildscript {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.0'
classpath 'com.android.tools.build:gradle:2.2.3'

// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
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325 changes: 325 additions & 0 deletions library/src/main/java/com/etiennelawlor/discreteslider/library/ui/DiscreteLabelSlider.java
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@@ -0,0 +1,325 @@
package com.etiennelawlor.discreteslider.library.ui;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.widget.FrameLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.etiennelawlor.discreteslider.library.R;
import com.etiennelawlor.discreteslider.library.utilities.DisplayUtility;

/**
* Created by etiennelawlor on 7/4/16.
*/

public class DiscreteLabelSlider extends FrameLayout {

// region Views
private DiscreteSliderBackdrop discreteSliderBackdrop;
private DiscreteSeekBar discreteSeekBar;
// endregion

// region Member Variables
private int tickMarkCount;
private float tickMarkRadius;
private int position;
private float horizontalBarThickness;
private int backdropFillColor;
private int backdropStrokeColor;
private float backdropStrokeWidth;
private Drawable thumb;
private Drawable progressDrawable;
private OnDiscreteSliderChangeListener onDiscreteSliderChangeListener;
private int discreteSeekBarLeftPadding = DisplayUtility.dp2px(getContext(), 32);
private int discreteSeekBarRightPadding = DisplayUtility.dp2px(getContext(), 32);

// endregion

RelativeLayout tickMarkLabelsRelativeLayout;
String[] sliderLabels;
private int textSelectedColor;
private int textNormalColor;

// region Interfaces
public interface OnDiscreteSliderChangeListener {
void onPositionChanged(int position);
}
// endregion

// region Constructors
public DiscreteLabelSlider(Context context) {
super(context);
init(context, null);
}

public DiscreteLabelSlider(Context context, AttributeSet attrs) {
super(context, attrs);
init(context, attrs);
}

public DiscreteLabelSlider(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context, attrs);
}
// endregion

// region Helper Methods
private void init(Context context, AttributeSet attrs){
TypedArray attributeArray = context.obtainStyledAttributes(
attrs,
R.styleable.DiscreteSlider);

try {
tickMarkCount = attributeArray.getInteger(R.styleable.DiscreteSlider_tickMarkCount, 5);
tickMarkRadius = attributeArray.getDimension(R.styleable.DiscreteSlider_tickMarkRadius, 8);
position = attributeArray.getInteger(R.styleable.DiscreteSlider_position, 0);
horizontalBarThickness = attributeArray.getDimension(R.styleable.DiscreteSlider_horizontalBarThickness, 4);
backdropFillColor = attributeArray.getColor(R.styleable.DiscreteSlider_backdropFillColor, Color.GRAY);
backdropStrokeColor = attributeArray.getColor(R.styleable.DiscreteSlider_backdropStrokeColor, Color.GRAY);
backdropStrokeWidth = attributeArray.getDimension(R.styleable.DiscreteSlider_backdropStrokeWidth, 1);
thumb = attributeArray.getDrawable(R.styleable.DiscreteSlider_thumb);
progressDrawable = attributeArray.getDrawable(R.styleable.DiscreteSlider_progressDrawable);


// Labels Color
textNormalColor = attributeArray.getColor(R.styleable.DiscreteSlider_labelNormalColor, Color.GRAY);
textSelectedColor = attributeArray.getColor(R.styleable.DiscreteSlider_labelSelectedColor, Color.BLUE);

// Labels Slider
final int id = attributeArray.getResourceId(R.styleable.DiscreteSlider_sliderLables, 0);
if (id != 0) {
sliderLabels = getResources().getStringArray(id);
Log.d("hello", sliderLabels.length + "");
for (int i=0; i<sliderLabels.length; i++)
{
Log.d("hello", sliderLabels[i]);
}
//sliderLabels = values.clone();
}

} finally {
attributeArray.recycle();
}

View view = inflate(context, R.layout.discrete_slider, this);
discreteSliderBackdrop = (DiscreteSliderBackdrop)view.findViewById(R.id.discrete_slider_backdrop);
discreteSeekBar = (DiscreteSeekBar)view.findViewById(R.id.discrete_seek_bar);

setTickMarkCount(tickMarkCount);
setTickMarkRadius(tickMarkRadius);
setHorizontalBarThickness(horizontalBarThickness);
setBackdropFillColor(backdropFillColor);
setBackdropStrokeColor(backdropStrokeColor);
setBackdropStrokeWidth(backdropStrokeWidth);
setPosition(position);
setThumb(thumb);
setProgressDrawable(progressDrawable);

discreteSeekBar.setPadding(discreteSeekBarLeftPadding,0,discreteSeekBarRightPadding,0);


discreteSeekBar.setOnDiscreteSeekBarChangeListener(new DiscreteSeekBar.OnDiscreteSeekBarChangeListener() {
@Override
public void onPositionChanged(int position) {
if(onDiscreteSliderChangeListener != null){
updateLables(position);
setPosition(position);
onDiscreteSliderChangeListener.onPositionChanged(position);
}
else {
updateLables(position);
setPosition(position);
}
}
});

findViews();
updateLables(position);
invalidate();
}

public void setTickMarkCount(int tickMarkCount){
this.tickMarkCount = tickMarkCount;
discreteSliderBackdrop.setTickMarkCount(tickMarkCount);
discreteSliderBackdrop.invalidate();
discreteSeekBar.setTickMarkCount(tickMarkCount);
discreteSeekBar.invalidate();
}

public void setTickMarkRadius(float tickMarkRadius){
this.tickMarkRadius = tickMarkRadius;
discreteSliderBackdrop.setTickMarkRadius(tickMarkRadius);
discreteSliderBackdrop.invalidate();
}

public void setPosition(int position) {
if(position<0){
this.position = 0;
} else if(position>tickMarkCount-1){
this.position = tickMarkCount-1;
} else {
this.position = position;
}
discreteSeekBar.setPosition(this.position);
}

public void setHorizontalBarThickness(float horizontalBarThickness){
discreteSliderBackdrop.setHorizontalBarThickness(horizontalBarThickness);
discreteSliderBackdrop.invalidate();
}

public void setBackdropFillColor(int backdropFillColor){
discreteSliderBackdrop.setBackdropFillColor(backdropFillColor);
discreteSliderBackdrop.invalidate();
}

public void setBackdropStrokeColor(int backdropStrokeColor){
discreteSliderBackdrop.setBackdropStrokeColor(backdropStrokeColor);
discreteSliderBackdrop.invalidate();
}

public void setBackdropStrokeWidth(float backdropStrokeWidth){
discreteSliderBackdrop.setBackdropStrokeWidth(backdropStrokeWidth);
discreteSliderBackdrop.invalidate();
}

public void setThumb(Drawable thumb){
if(thumb != null) {
discreteSeekBar.setThumb(thumb);
discreteSeekBar.invalidate();
}
}

public void setProgressDrawable(Drawable progressDrawable){
if(progressDrawable != null) {
discreteSeekBar.setProgressDrawable(progressDrawable);
discreteSeekBar.invalidate();
}
}

public void setOnDiscreteSliderChangeListener(OnDiscreteSliderChangeListener onDiscreteSliderChangeListener) {
this.onDiscreteSliderChangeListener = onDiscreteSliderChangeListener;
}

public int getTickMarkCount() {
return tickMarkCount;
}

public float getTickMarkRadius() {
return tickMarkRadius;
}

public int getPosition() {
return position;
}

// endregion


// New functionality

private void findViews()
{
tickMarkLabelsRelativeLayout = new RelativeLayout(getContext());
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
tickMarkLabelsRelativeLayout.setLayoutParams(params);
this.addView(tickMarkLabelsRelativeLayout);
tickMarkLabelsRelativeLayout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
tickMarkLabelsRelativeLayout.getViewTreeObserver().removeGlobalOnLayoutListener(this);

addTickMarkTextLabels();
}
});
}

private void addTickMarkTextLabels(){
int tickMarkCount = getTickMarkCount();
float tickMarkRadius = getTickMarkRadius();
int width = tickMarkLabelsRelativeLayout.getMeasuredWidth();

int discreteSliderBackdropLeftMargin = DisplayUtility.dp2px(getContext(), 32);
int discreteSliderBackdropRightMargin = DisplayUtility.dp2px(getContext(), 32);
float firstTickMarkRadius = tickMarkRadius;
float lastTickMarkRadius = tickMarkRadius;
int interval = (width - (discreteSliderBackdropLeftMargin+discreteSliderBackdropRightMargin) - ((int)(firstTickMarkRadius+lastTickMarkRadius)) )
/ (tickMarkCount-1);

String[] tickMarkLabels = {"$", "$$", "$$$", "$$$$", "$$$$$"};
if (sliderLabels != null)
{
tickMarkLabels = (String[]) sliderLabels;
}
int tickMarkLabelWidth = DisplayUtility.dp2px(getContext(), 40);

for(int i=0; i<tickMarkCount; i++) {
TextView tv = new TextView(getContext());

RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
tickMarkLabelWidth, RelativeLayout.LayoutParams.WRAP_CONTENT);

tv.setText(tickMarkLabels[i]);
tv.setGravity(Gravity.CENTER);
if(i==getPosition())
tv.setTextColor((Color.BLUE));
else
tv.setTextColor(Color.GRAY);

// tv.setBackgroundColor(getResources().getColor(android.R.color.holo_blue_dark));

int left = discreteSliderBackdropLeftMargin + (int)firstTickMarkRadius + (i * interval) - (tickMarkLabelWidth/2);

layoutParams.setMargins(left,
0,
0,
0);
tv.setLayoutParams(layoutParams);

tickMarkLabelsRelativeLayout.addView(tv);
}
}

private void updateLables(int pos)
{
int childCount = tickMarkLabelsRelativeLayout.getChildCount();
for(int i= 0; i<childCount; i++){
TextView tv = (TextView) tickMarkLabelsRelativeLayout.getChildAt(i);
if(i == pos)
tv.setTextColor(textSelectedColor);
else
tv.setTextColor(textNormalColor);
}
}

public String getSelectedLabel()
{
if (getPosition() < 0 && getPosition() >= sliderLabels.length)
return null;

return sliderLabels[getPosition()];
}

public String getLabel(int pos)
{
if (pos < 0 && pos >= sliderLabels.length)
return null;

return sliderLabels[pos];
}

public void setLabelsArray(String[] arr)
{
sliderLabels = arr;
invalidate();
}
}
3 changes: 2 additions & 1 deletion library/src/main/res/layout/discrete_slider.xml
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Expand Up @@ -2,7 +2,8 @@
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
android:layout_height="match_parent"
android:layout_marginTop="20dp">

<com.etiennelawlor.discreteslider.library.ui.DiscreteSliderBackdrop
android:id="@+id/discrete_slider_backdrop"
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4 changes: 4 additions & 0 deletions library/src/main/res/values/attrs.xml
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Expand Up @@ -10,5 +10,9 @@
<attr name="backdropStrokeWidth" format="dimension" />
<attr name="thumb" format="reference" />
<attr name="progressDrawable" format="reference" />

<attr name="sliderLables" format="reference"/>
<attr name="labelNormalColor" format="color" />
<attr name="labelSelectedColor" format="color" />
</declare-styleable>
</resources>
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