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Number span

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This commit is contained in:
serso 2016-05-02 22:14:35 +02:00
parent 6950eeb832
commit facb255433
4 changed files with 109 additions and 27 deletions
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80
app/src/main/java/org/solovyev/android/calculator/Keyboard.java
View File

@ -24,33 +24,36 @@ package org.solovyev.android.calculator;
import android.content.SharedPreferences;
import android.support.annotation.NonNull;
import android.text.Spannable;
import android.text.TextUtils;
import android.util.Log;
import com.squareup.otto.Bus;
import com.squareup.otto.Subscribe;
import dagger.Lazy;
import jscl.NumeralBase;
import jscl.math.Expression;
import jscl.math.Generic;
import org.solovyev.android.Check;
import org.solovyev.android.calculator.buttons.CppSpecialButton;
import org.solovyev.android.calculator.ga.Ga;
import org.solovyev.android.calculator.history.History;
import org.solovyev.android.calculator.math.MathType;
import org.solovyev.android.calculator.memory.Memory;
import org.solovyev.android.calculator.text.NumberSpan;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.inject.Inject;
import javax.inject.Singleton;
import dagger.Lazy;
import jscl.math.Expression;
import jscl.math.Generic;
import static org.solovyev.android.calculator.Engine.Preferences.numeralBase;
@Singleton
public class Keyboard implements SharedPreferences.OnSharedPreferenceChangeListener {
final Bus bus;
@Nonnull
private final MathType.Result mathType = new MathType.Result();
@Inject
Editor editor;
@Inject
@ -68,16 +71,19 @@ public class Keyboard implements SharedPreferences.OnSharedPreferenceChangeListe
@Inject
Lazy<Clipboard> clipboard;
@Inject
Lazy<Bus> bus;
@Inject
ActivityLauncher launcher;
private boolean vibrateOnKeypress;
@Nonnull
private NumeralBase numberMode;
private boolean highContrast;
@Inject
public Keyboard(@Nonnull SharedPreferences preferences) {
public Keyboard(@Nonnull SharedPreferences preferences, @Nonnull Bus bus) {
this.bus = bus;
this.bus.register(this);
preferences.registerOnSharedPreferenceChangeListener(this);
vibrateOnKeypress = Preferences.Gui.vibrateOnKeypress.getPreference(preferences);
numberMode = numeralBase.getPreference(preferences);
highContrast = Preferences.Gui.highContrast.getPreference(preferences);
}
@ -85,6 +91,11 @@ public class Keyboard implements SharedPreferences.OnSharedPreferenceChangeListe
return vibrateOnKeypress;
}
@Nonnull
public NumeralBase getNumberMode() {
return numberMode;
}
public boolean isHighContrast() {
return highContrast;
}
@ -211,7 +222,7 @@ public class Keyboard implements SharedPreferences.OnSharedPreferenceChangeListe
}
break;
case copy:
bus.get().post(new Display.CopyOperation());
bus.post(new Display.CopyOperation());
break;
case brackets_wrap:
handleBracketsWrap();
@ -251,6 +262,42 @@ public class Keyboard implements SharedPreferences.OnSharedPreferenceChangeListe
}
}
@Subscribe
public void onCursorMoved(@Nonnull Editor.CursorMovedEvent e) {
updateNumberMode(e.state);
}
@Subscribe
public void onEditorChanged(@Nonnull Editor.ChangedEvent e) {
updateNumberMode(e.newState);
}
private void updateNumberMode(@Nonnull EditorState state) {
if (!(state.text instanceof Spannable)) {
setNumberMode(NumeralBase.dec);
return;
}
if (state.selection < 0) {
setNumberMode(NumeralBase.dec);
return;
}
final Spannable text = (Spannable) state.text;
final NumberSpan[] spans = text.getSpans(state.selection, state.selection, NumberSpan.class);
if (spans != null && spans.length > 0) {
setNumberMode(spans[0].numeralBase);
return;
}
setNumberMode(NumeralBase.dec);
}
private void setNumberMode(@Nonnull NumeralBase newNumberMode) {
if (numberMode == newNumberMode) {
return;
}
numberMode = newNumberMode;
bus.post(new NumberModeChangedEvent(newNumberMode));
}
private void equalsButtonPressed() {
if (!calculator.isCalculateOnFly()) {
// no automatic calculations are => equals button must be used to calculate
@ -301,8 +348,19 @@ public class Keyboard implements SharedPreferences.OnSharedPreferenceChangeListe
public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
if (Preferences.Gui.vibrateOnKeypress.isSameKey(key)) {
vibrateOnKeypress = Preferences.Gui.vibrateOnKeypress.getPreference(preferences);
} else if (numeralBase.isSameKey(key)) {
setNumberMode(numeralBase.getPreference(preferences));
} else if (Preferences.Gui.highContrast.isSameKey(key)) {
highContrast = Preferences.Gui.highContrast.getPreference(preferences);
}
}
}
public static final class NumberModeChangedEvent {
@Nonnull
public final NumeralBase mode;
public NumberModeChangedEvent(@Nonnull NumeralBase mode) {
this.mode = mode;
}
}
}

8
app/src/main/java/org/solovyev/android/calculator/NumberBuilder.java
View File

@ -22,7 +22,9 @@
package org.solovyev.android.calculator;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import jscl.MathContext;
import jscl.MathEngine;
import jscl.NumeralBase;
@ -31,6 +33,7 @@ import jscl.text.JsclIntegerParser;
import jscl.text.ParseException;
import jscl.text.Parser;
import org.solovyev.android.calculator.math.MathType;
import org.solovyev.android.calculator.text.NumberSpan;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
@ -55,7 +58,10 @@ public class NumberBuilder extends BaseNumberBuilder {
final int oldNumberLength = oldNumber.length() + trimmedChars;
sb.delete(sb.length() - oldNumberLength, sb.length());
final String newNumber = engine.format(oldNumber, nb);
final SpannableString newNumber = new SpannableString(engine.format(oldNumber, nb));
if (newNumber.length() >= 1) {
newNumber.setSpan(new NumberSpan(nb), 0, newNumber.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
sb.append(newNumber);
// offset between old number and new number
return newNumber.length() - oldNumberLength;

34
app/src/main/java/org/solovyev/android/calculator/keyboard/KeyboardUi.java
View File

@ -5,24 +5,22 @@ import android.app.Application;
import android.content.SharedPreferences;
import android.support.annotation.Nullable;
import android.view.View;
import butterknife.Bind;
import butterknife.ButterKnife;
import com.squareup.otto.Bus;
import com.squareup.otto.Subscribe;
import jscl.NumeralBase;
import org.solovyev.android.calculator.Display;
import org.solovyev.android.calculator.Engine;
import org.solovyev.android.calculator.Keyboard;
import org.solovyev.android.calculator.R;
import org.solovyev.android.views.dragbutton.DirectionDragButton;
import javax.annotation.Nonnull;
import javax.inject.Inject;
import butterknife.Bind;
import butterknife.ButterKnife;
import jscl.NumeralBase;
import static org.solovyev.android.calculator.Engine.Preferences.multiplicationSign;
import static org.solovyev.android.calculator.Engine.Preferences.numeralBase;
import static org.solovyev.android.views.dragbutton.DragDirection.down;
import static org.solovyev.android.views.dragbutton.DragDirection.left;
import static org.solovyev.android.views.dragbutton.DragDirection.up;
import static org.solovyev.android.views.dragbutton.DragDirection.*;
public class KeyboardUi extends BaseKeyboardUi {
@ -51,6 +49,8 @@ public class KeyboardUi extends BaseKeyboardUi {
@Inject
Display display;
@Inject
Bus bus;
@Inject
PartialKeyboardUi partialUi;
@Bind(R.id.cpp_button_vars)
DirectionDragButton variablesButton;
@ -88,8 +88,8 @@ public class KeyboardUi extends BaseKeyboardUi {
super(application);
}
public void toggleNumericDigits() {
final boolean hex = numeralBase.getPreference(preferences) == NumeralBase.hex;
public void updateNumberMode(@Nonnull NumeralBase mode) {
final boolean hex = mode == NumeralBase.hex;
button1.setShowDirectionText(left, hex);
button2.setShowDirectionText(left, hex);
button3.setShowDirectionText(left, hex);
@ -146,11 +146,13 @@ public class KeyboardUi extends BaseKeyboardUi {
hideText(functionsButton, up, down);
}
multiplicationButton.setText(engine.getMultiplicationSign());
toggleNumericDigits();
updateNumberMode(keyboard.getNumberMode());
bus.register(this);
}
@Override
public void onDestroyView() {
bus.unregister(this);
partialUi.onDestroyView();
super.onDestroyView();
}
@ -158,11 +160,13 @@ public class KeyboardUi extends BaseKeyboardUi {
@Override
public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
super.onSharedPreferenceChanged(preferences, key);
if (numeralBase.isSameKey(key)) {
toggleNumericDigits();
}
if (multiplicationSign.isSameKey(key)) {
multiplicationButton.setText(multiplicationSign.getPreference(preferences));
}
}
@Subscribe
public void onNumberModeChanged(@Nonnull Keyboard.NumberModeChangedEvent e) {
updateNumberMode(e.mode);
}
}

14
app/src/main/java/org/solovyev/android/calculator/text/NumberSpan.java Normal file
View File

@ -0,0 +1,14 @@
package org.solovyev.android.calculator.text;
import jscl.NumeralBase;
import javax.annotation.Nonnull;
public class NumberSpan {
@Nonnull
public final NumeralBase numeralBase;
public NumberSpan(@Nonnull NumeralBase numeralBase) {
this.numeralBase = numeralBase;
}
}