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@ -8,26 +8,28 @@
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*/ |
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package com.fr.design.gui.autocomplete; |
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import java.awt.*; |
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import java.awt.event.*; |
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import java.beans.PropertyChangeEvent; |
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import java.beans.PropertyChangeListener; |
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import java.util.List; |
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import javax.swing.*; |
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import javax.swing.event.CaretEvent; |
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import javax.swing.event.CaretListener; |
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import javax.swing.event.DocumentEvent; |
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import javax.swing.event.DocumentListener; |
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import javax.swing.text.*; |
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import java.awt.*; |
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import java.awt.event.*; |
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import java.beans.PropertyChangeEvent; |
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import java.beans.PropertyChangeListener; |
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import java.util.List; |
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import static com.fr.design.gui.syntax.ui.rtextarea.RTADefaultInputMap.DEFAULT_MODIFIER; |
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/** |
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* Adds auto-completion to a text component. Provides a popup window with a |
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* list of auto-complete choices on a given keystroke, such as Crtrl+Space.<p> |
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* |
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* <p> |
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* Depending on the {@link CompletionProvider} installed, the following |
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* auto-completion features may be enabled: |
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* |
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* <p> |
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* <ul> |
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* <li>An auto-complete choices list made visible via e.g. Ctrl+Space</li> |
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* <li>A "description" window displayed alongside the choices list that |
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@ -212,7 +214,7 @@ public class AutoCompletion {
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* Stores how to render auto-completion-specific highlights in text |
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* components. |
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*/ |
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private static final AutoCompletionStyleContext styleContext = |
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private static final AutoCompletionStyleContext STYLE_CONTEXT = |
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new AutoCompletionStyleContext(); |
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/** |
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@ -275,7 +277,7 @@ public class AutoCompletion {
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* @return Whether to auto-complete single choices. |
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* @see #setAutoCompleteSingleChoices(boolean) |
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*/ |
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public boolean getAutoCompleteSingleChoices() { |
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public boolean isAutoCompleteSingleChoices() { |
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return autoCompleteSingleChoices; |
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} |
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@ -295,7 +297,7 @@ public class AutoCompletion {
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* |
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* @return Whether debug is enabled. |
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*/ |
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static boolean getDebug() { |
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static boolean isDebug() { |
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return DEBUG; |
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} |
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@ -308,8 +310,7 @@ public class AutoCompletion {
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*/ |
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public static KeyStroke getDefaultTriggerKey() { |
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// Default to CTRL, even on Mac, since Ctrl+Space activates Spotlight
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int mask = InputEvent.CTRL_MASK; |
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return KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, mask); |
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return KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, DEFAULT_MODIFIER); |
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} |
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@ -397,7 +398,7 @@ public class AutoCompletion {
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* @return Whether the description window should be shown. |
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* @see #setShowDescWindow(boolean) |
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*/ |
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public boolean getShowDescWindow() { |
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public boolean isShowDescWindow() { |
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return showDescWindow; |
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} |
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@ -409,7 +410,7 @@ public class AutoCompletion {
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* @return The style context. |
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*/ |
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public static AutoCompletionStyleContext getStyleContext() { |
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return styleContext; |
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return STYLE_CONTEXT; |
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} |
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@ -432,7 +433,7 @@ public class AutoCompletion {
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* we are not installed on one. |
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*/ |
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ComponentOrientation getTextComponentOrientation() { |
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return textComponent==null ? null : |
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return textComponent == null ? null : |
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textComponent.getComponentOrientation(); |
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} |
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@ -467,7 +468,7 @@ public class AutoCompletion {
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* @return Whether any such windows were visible (and thus hidden). |
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*/ |
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private boolean hideParameterCompletionPopups() { |
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if (pcc!=null) { |
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if (pcc != null) { |
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pcc.deactivate(); |
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pcc = null; |
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return true; |
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@ -482,7 +483,7 @@ public class AutoCompletion {
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* @return Whether the popup window was visible. |
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*/ |
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private boolean hidePopupWindow() { |
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if (popupWindow!=null) { |
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if (popupWindow != null) { |
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if (popupWindow.isVisible()) { |
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popupWindow.setVisible(false); |
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return true; |
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@ -539,7 +540,7 @@ public class AutoCompletion {
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int dot = caret.getDot(); |
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int len = alreadyEntered.length(); |
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int start = dot-len; |
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int start = dot - len; |
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String replacement = getReplacementText(c, textComp.getDocument(), |
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start, len); |
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@ -549,7 +550,7 @@ public class AutoCompletion {
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if (isParameterAssistanceEnabled() && |
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(c instanceof ParameterizedCompletion)) { |
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ParameterizedCompletion pc = (ParameterizedCompletion)c; |
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ParameterizedCompletion pc = (ParameterizedCompletion) c; |
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startParameterizedCompletionAssistance(pc, typedParamListStartChar); |
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} |
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@ -566,7 +567,7 @@ public class AutoCompletion {
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*/ |
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public void install(JTextComponent c) { |
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if (textComponent!=null) { |
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if (textComponent != null) { |
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uninstall(); |
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} |
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@ -580,7 +581,7 @@ public class AutoCompletion {
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// hoses ctrl+space, shift+space, etc., even though I think it
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// shouldn't...
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char start = provider.getParameterListStart(); |
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if (start!=0 && start!=' ') { |
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if (start != 0 && start != ' ') { |
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InputMap im = c.getInputMap(); |
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ActionMap am = c.getActionMap(); |
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KeyStroke ks = KeyStroke.getKeyStroke(start); |
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@ -665,7 +666,7 @@ public class AutoCompletion {
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* @return Whether the completion popup window is visible. |
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*/ |
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public boolean isPopupVisible() { |
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return popupWindow!=null && popupWindow.isVisible(); |
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return popupWindow != null && popupWindow.isVisible(); |
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} |
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@ -680,60 +681,32 @@ public class AutoCompletion {
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* @return The current line number of the caret. |
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*/ |
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protected int refreshPopupWindow() { |
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// A return value of null => don't suggest completions
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String text = provider.getAlreadyEnteredText(textComponent); |
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if (text==null && !isPopupVisible()) { |
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if (text == null && !isPopupVisible()) { |
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return getLineOfCaret(); |
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} |
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// If the popup is currently visible, and they type a space (or any
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// character that resets the completion list to "all completions"),
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// the popup window should be hidden instead of being reset to show
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// everything.
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int textLen = text==null ? 0 : text.length(); |
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if (textLen==0) { |
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if (isPopupVisible()) { |
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int textLen = text == null ? 0 : text.length(); |
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if (textLen == 0 && isPopupVisible()) { |
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hidePopupWindow(); |
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return getLineOfCaret(); |
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} |
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} |
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final List<Completion> completions = provider. |
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getCompletions(textComponent); |
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final List<Completion> completions = provider.getCompletions(textComponent); |
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int count = completions.size(); |
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if (count>1 || (count==1 && (isPopupVisible() || textLen==0)) || |
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(count==1 && !getAutoCompleteSingleChoices())) { |
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if (popupWindow==null) { |
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popupWindow = new AutoCompletePopupWindow(parentWindow, this); |
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// Completion is usually done for code, which is always done
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// LTR, so make completion stuff RTL only if text component is
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// also RTL.
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popupWindow.applyComponentOrientation( |
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getTextComponentOrientation()); |
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if (renderer!=null) { |
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popupWindow.setListCellRenderer(renderer); |
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} |
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if (preferredChoicesWindowSize!=null) { |
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popupWindow.setSize(preferredChoicesWindowSize); |
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} |
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if (preferredDescWindowSize!=null) { |
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popupWindow.setDescriptionWindowSize( |
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preferredDescWindowSize); |
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if (needSetPopupWindow(count, textLen)) { |
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if (popupWindow == null) { |
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popupWindow = createAutoCompletePopupWindow(); |
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} |
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} |
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popupWindow.setCompletions(completions); |
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if (!popupWindow.isVisible()) { |
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Rectangle r = null; |
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try { |
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r = textComponent.modelToView(textComponent. |
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getCaretPosition()); |
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r = textComponent.modelToView(textComponent.getCaretPosition()); |
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} catch (BadLocationException ble) { |
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return -1; |
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} |
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Point p = new Point(r.x, r.y); |
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@ -743,25 +716,43 @@ public class AutoCompletion {
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popupWindow.setLocationRelativeTo(r); |
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popupWindow.setVisible(true); |
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} |
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} |
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else if (count==1) { // !isPopupVisible && autoCompleteSingleChoices
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} else if (count == 1) { // !isPopupVisible && autoCompleteSingleChoices
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SwingUtilities.invokeLater(new Runnable() { |
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public void run() { |
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insertCompletion(completions.get(0)); |
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} |
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}); |
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} |
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else { |
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} else { |
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hidePopupWindow(); |
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} |
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return getLineOfCaret(); |
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} |
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private boolean needSetPopupWindow(int count, int textLen) { |
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return (count == 1 && (isPopupVisible() || textLen == 0)) |
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|| (count == 1 && !isAutoCompleteSingleChoices()) |
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|| count > 1; |
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} |
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private AutoCompletePopupWindow createAutoCompletePopupWindow() { |
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AutoCompletePopupWindow popupWindow = new AutoCompletePopupWindow(parentWindow, this); |
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// Completion is usually done for code, which is always done
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// LTR, so make completion stuff RTL only if text component is
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// also RTL.
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popupWindow.applyComponentOrientation( |
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getTextComponentOrientation()); |
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if (renderer != null) { |
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popupWindow.setListCellRenderer(renderer); |
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} |
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if (preferredChoicesWindowSize != null) { |
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popupWindow.setSize(preferredChoicesWindowSize); |
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} |
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if (preferredDescWindowSize != null) { |
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popupWindow.setDescriptionWindowSize( |
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preferredDescWindowSize); |
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} |
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return popupWindow; |
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} |
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/** |
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* Sets the delay between when the user types a character and when the |
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@ -786,13 +777,12 @@ public class AutoCompletion {
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* @see #setAutoActivationDelay(int) |
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*/ |
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public void setAutoActivationEnabled(boolean enabled) { |
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if (enabled!=autoActivationEnabled) { |
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if (enabled != autoActivationEnabled) { |
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autoActivationEnabled = enabled; |
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if (textComponent!=null) { |
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if (textComponent != null) { |
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if (autoActivationEnabled) { |
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autoActivationListener.addTo(textComponent); |
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} |
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else { |
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} else { |
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autoActivationListener.removeFrom(textComponent); |
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} |
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} |
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@ -807,7 +797,7 @@ public class AutoCompletion {
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* @see #isAutoCompleteEnabled() |
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*/ |
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public void setAutoCompleteEnabled(boolean enabled) { |
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if (enabled!=autoCompleteEnabled) { |
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if (enabled != autoCompleteEnabled) { |
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autoCompleteEnabled = enabled; |
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hidePopupWindow(); |
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} |
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@ -819,7 +809,7 @@ public class AutoCompletion {
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* be automatically inserted, without displaying the popup menu. |
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* |
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* @param autoComplete Whether to auto-complete single choices. |
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* @see #getAutoCompleteSingleChoices() |
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* @see #isAutoCompleteSingleChoices() |
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*/ |
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public void setAutoCompleteSingleChoices(boolean autoComplete) { |
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autoCompleteSingleChoices = autoComplete; |
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@ -835,7 +825,7 @@ public class AutoCompletion {
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* <code>null</code>. |
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*/ |
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public void setCompletionProvider(CompletionProvider provider) { |
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if (provider==null) { |
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if (provider == null) { |
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throw new IllegalArgumentException("provider cannot be null"); |
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} |
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this.provider = provider; |
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@ -852,7 +842,7 @@ public class AutoCompletion {
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*/ |
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public void setChoicesWindowSize(int w, int h) { |
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preferredChoicesWindowSize = new Dimension(w, h); |
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if (popupWindow!=null) { |
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if (popupWindow != null) { |
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popupWindow.setSize(preferredChoicesWindowSize); |
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} |
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} |
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@ -867,7 +857,7 @@ public class AutoCompletion {
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*/ |
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public void setDescriptionWindowSize(int w, int h) { |
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preferredDescWindowSize = new Dimension(w, h); |
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if (popupWindow!=null) { |
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if (popupWindow != null) { |
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popupWindow.setDescriptionWindowSize(preferredDescWindowSize); |
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} |
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} |
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@ -914,7 +904,7 @@ public class AutoCompletion {
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*/ |
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public void setListCellRenderer(ListCellRenderer renderer) { |
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this.renderer = renderer; |
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if (popupWindow!=null) { |
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if (popupWindow != null) { |
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popupWindow.setListCellRenderer(renderer); |
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hidePopupWindow(); |
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} |
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@ -956,7 +946,7 @@ public class AutoCompletion {
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* completion window. |
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* |
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* @param show Whether to show the description window. |
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* @see #getShowDescWindow() |
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* @see #isShowDescWindow() |
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*/ |
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public void setShowDescWindow(boolean show) { |
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hidePopupWindow(); // Needed to force it to take effect
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@ -973,11 +963,11 @@ public class AutoCompletion {
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* @see #getTriggerKey() |
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*/ |
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public void setTriggerKey(KeyStroke ks) { |
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if (ks==null) { |
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if (ks == null) { |
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throw new IllegalArgumentException("trigger key cannot be null"); |
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} |
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if (!ks.equals(trigger)) { |
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if (textComponent!=null) { |
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if (textComponent != null) { |
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// Put old trigger action back.
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uninstallTriggerKey(); |
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// Grab current action for new trigger and replace it.
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@ -1003,17 +993,16 @@ public class AutoCompletion {
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// Don't bother with a tool tip if there are no parameters, but if
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// they typed e.g. the opening '(', make them overtype the ')'.
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if (pc.getParamCount()==0 && !(pc instanceof TemplateCompletion)) { |
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if (pc.getParamCount() == 0 && !(pc instanceof TemplateCompletion)) { |
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CompletionProvider p = pc.getProvider(); |
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char end = p.getParameterListEnd(); // Might be '\0'
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String text = end=='\0' ? "" : Character.toString(end); |
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String text = end == '\0' ? "" : Character.toString(end); |
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if (typedParamListStartChar) { |
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String template = "${}" + text + "${cursor}"; |
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textComponent.replaceSelection(Character.toString(p.getParameterListStart())); |
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TemplateCompletion tc = new TemplateCompletion(p, null, null, template); |
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pc = tc; |
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} |
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else { |
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} else { |
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text = p.getParameterListStart() + text; |
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textComponent.replaceSelection(text); |
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return; |
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@ -1034,7 +1023,7 @@ public class AutoCompletion {
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*/ |
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public void uninstall() { |
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if (textComponent!=null) { |
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if (textComponent != null) { |
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hidePopupWindow(); // Unregisters listeners, actions, etc.
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@ -1042,7 +1031,7 @@ public class AutoCompletion {
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// Uninstall the function completion key.
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char start = provider.getParameterListStart(); |
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if (start!=0) { |
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if (start != 0) { |
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KeyStroke ks = KeyStroke.getKeyStroke(start); |
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InputMap im = textComponent.getInputMap(); |
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im.put(ks, oldParenKey); |
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@ -1051,7 +1040,7 @@ public class AutoCompletion {
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} |
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textComponentListener.removeFrom(textComponent); |
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if (parentWindow!=null) { |
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if (parentWindow != null) { |
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parentWindowListener.removeFrom(parentWindow); |
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} |
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@ -1089,15 +1078,15 @@ public class AutoCompletion {
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* at runtime. |
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*/ |
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private void updateUI() { |
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if (popupWindow!=null) { |
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if (popupWindow != null) { |
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popupWindow.updateUI(); |
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} |
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if (pcc!=null) { |
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if (pcc != null) { |
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pcc.updateUI(); |
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} |
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// Will practically always be a JComponent (a JLabel)
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if (paramChoicesRenderer instanceof JComponent) { |
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((JComponent)paramChoicesRenderer).updateUI(); |
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((JComponent) paramChoicesRenderer).updateUI(); |
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} |
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} |
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@ -1130,8 +1119,7 @@ public class AutoCompletion {
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public void caretUpdate(CaretEvent e) { |
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if (justInserted) { |
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justInserted = false; |
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} |
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else { |
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} else { |
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timer.stop(); |
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} |
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} |
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@ -1149,16 +1137,14 @@ public class AutoCompletion {
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public void insertUpdate(DocumentEvent e) { |
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justInserted = false; |
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if (isAutoCompleteEnabled() && isAutoActivationEnabled() && |
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e.getLength()==1) { |
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e.getLength() == 1) { |
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if (provider.isAutoActivateOkay(textComponent)) { |
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timer.restart(); |
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justInserted = true; |
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} |
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else { |
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} else { |
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timer.stop(); |
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} |
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} |
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else { |
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} else { |
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timer.stop(); |
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} |
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} |
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@ -1187,8 +1173,7 @@ public class AutoCompletion {
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public void actionPerformed(ActionEvent e) { |
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if (isAutoCompleteEnabled()) { |
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refreshPopupWindow(); |
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} |
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else if (oldTriggerAction!=null) { |
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} else if (oldTriggerAction != null) { |
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oldTriggerAction.actionPerformed(e); |
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} |
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} |
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@ -1322,11 +1307,11 @@ public class AutoCompletion {
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Window oldParentWindow = parentWindow; |
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parentWindow = SwingUtilities.getWindowAncestor(textComponent); |
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if (parentWindow!=oldParentWindow) { |
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if (oldParentWindow!=null) { |
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if (parentWindow != oldParentWindow) { |
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if (oldParentWindow != null) { |
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parentWindowListener.removeFrom(oldParentWindow); |
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} |
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if (parentWindow!=null) { |
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if (parentWindow != null) { |
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parentWindowListener.addTo(parentWindow); |
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} |
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} |
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superman
7 years ago